Search a number
-
+
40230433203440 = 2452917340703967
BaseRepresentation
bin10010010010110111000001…
…01011100010010011110000
312021102222210001122121120212
421021123200223202103300
520233113411400002230
6221321334511323252
711321360432001254
oct1111334053422360
9167388701577525
1040230433203440
11119006a3813477
124618b16820528
13195a93794740c
149d1240370264
1549b744d3b895
hex2496e0ae24f0

40230433203440 has 40 divisors (see below), whose sum is σ = 96761128141440. Its totient is φ = 15537270753536.

The previous prime is 40230433203343. The next prime is 40230433203451. The reversal of 40230433203440 is 4430233403204.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 40230433203397 and 40230433203406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8670349664 + ... + 8670354303.

It is an arithmetic number, because the mean of its divisors is an integer number (2419028203536).

Almost surely, 240230433203440 is an apocalyptic number.

40230433203440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40230433203440 is an abundant number, since it is smaller than the sum of its proper divisors (56530694938000).

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

40230433203440 is a wasteful number, since it uses less digits than its factorization.

40230433203440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17340704009 (or 17340704003 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 40230433203440 its reverse (4430233403204), we get a palindrome (44660666606644).

The spelling of 40230433203440 in words is "forty trillion, two hundred thirty billion, four hundred thirty-three million, two hundred three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 29 40 58 80 116 145 232 290 464 580 1160 2320 17340703967 34681407934 69362815868 86703519835 138725631736 173407039670 277451263472 346814079340 502880415043 693628158680 1005760830086 1387256317360 2011521660172 2514402075215 4023043320344 5028804150430 8046086640688 10057608300860 20115216601720 40230433203440