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40678140104 = 23737108718061
BaseRepresentation
bin100101111000100110…
…110010100011001000
310212222221002121211122
4211320212302203020
51131302100440404
630404241414412
72640020325440
oct457046624310
9125887077748
1040678140104
1116284827808
127a7303a408
133ab3709ab4
141d7c695120
1510d12dc3be
hex9789b28c8

40678140104 has 64 divisors (see below), whose sum is σ = 89610639360. Its totient is φ = 16945770240.

The previous prime is 40678140091. The next prime is 40678140109. The reversal of 40678140104 is 40104187604.

It is a super-2 number, since 2×406781401042 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40678140109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2243234 + ... + 2261294.

It is an arithmetic number, because the mean of its divisors is an integer number (1400166240).

Almost surely, 240678140104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40678140104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44805319680).

40678140104 is an abundant number, since it is smaller than the sum of its proper divisors (48932499256).

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

40678140104 is a wasteful number, since it uses less digits than its factorization.

40678140104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19198 (or 19194 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The spelling of 40678140104 in words is "forty billion, six hundred seventy-eight million, one hundred forty thousand, one hundred four".

Divisors: 1 2 4 7 8 14 28 37 56 74 148 259 296 518 1036 1087 2072 2174 4348 7609 8696 15218 18061 30436 36122 40219 60872 72244 80438 126427 144488 160876 252854 281533 321752 505708 563066 668257 1011416 1126132 1336514 2252264 2673028 4677799 5346056 9355598 18711196 19632307 37422392 39264614 78529228 137426149 157058456 274852298 549704596 726395359 1099409192 1452790718 2905581436 5084767513 5811162872 10169535026 20339070052 40678140104