40007079192681 has 32 divisors (see below), whose sum is σ = 60874709155200. Its totient is φ = 25949226018240.

The previous prime is 40007079192679. The next prime is 40007079192737. The reversal of 40007079192681 is 18629197070004.

40007079192681 is a `hidden beast` number, since 400 + 0 + 7 + 0 + 7 + 91 + 92 + 68 + 1 = 666.

It is not a de Polignac number, because 40007079192681 - 2¹ = 40007079192679 is a prime.

It is a super-2 number, since 2×40007079192681² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40007079192611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18956791 + ... + 20961251.

It is an arithmetic number, because the mean of its divisors is an integer number (1902334661100).

Almost surely, 2^{40007079192681} is an apocalyptic number.

It is an amenable number.

40007079192681 is a deficient number, since it is larger than the sum of its proper divisors (20867629962519).

40007079192681 is a wasteful number, since it uses less digits than its factorization.

40007079192681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024486 (or 2024480 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The spelling of 40007079192681 in words is "forty trillion, seven billion, seventy-nine million, one hundred ninety-two thousand, six hundred eighty-one".