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40105301430400 = 275215797937243
BaseRepresentation
bin10010001111001101111100…
…01111101101000010000000
312021000000210102010220220021
421013212332033231002000
520224041124131233100
6221144042055223224
711306340520324363
oct1107467617550200
9167000712126807
1040105301430400
1111862621129308
1245b8814377b14
13194bbb551496b
149c916d6640da
1549836e5a0a1a
hex2479be3ed080

40105301430400 has 96 divisors (see below), whose sum is σ = 99135383835600. Its totient is φ = 16031958881280.

The previous prime is 40105301430319. The next prime is 40105301430407. The reversal of 40105301430400 is 403410350104.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (40105301430407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1084179 + ... + 9021421.

Almost surely, 240105301430400 is an apocalyptic number.

40105301430400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40105301430400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49567691917800).

40105301430400 is an abundant number, since it is smaller than the sum of its proper divisors (59030082405200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40105301430400 is a wasteful number, since it uses less digits than its factorization.

40105301430400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7938846 (or 7938829 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 40105301430400 its reverse (403410350104), we get a palindrome (40508711780504).

The spelling of 40105301430400 in words is "forty trillion, one hundred five billion, three hundred one million, four hundred thirty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 320 400 640 800 1579 1600 3158 3200 6316 7895 12632 15790 25264 31580 39475 50528 63160 78950 101056 126320 157900 202112 252640 315800 505280 631600 1010560 1263200 2526400 5052800 7937243 15874486 31748972 39686215 63497944 79372430 126995888 158744860 198431075 253991776 317489720 396862150 507983552 634979440 793724300 1015967104 1269958880 1587448600 2539917760 3174897200 5079835520 6349794400 12532906697 12699588800 25065813394 25399177600 50131626788 62664533485 100263253576 125329066970 200526507152 250658133940 313322667425 401053014304 501316267880 626645334850 802106028608 1002632535760 1253290669700 1604212057216 2005265071520 2506581339400 4010530143040 5013162678800 8021060286080 10026325357600 20052650715200 40105301430400