40136877635994 has 48 divisors (see below), whose sum is σ = 87295879592064. Its totient is φ = 13327785420000.

The previous prime is 40136877635977. The next prime is 40136877635999. The reversal of 40136877635994 is 49953677863104.

40136877635994 is a `hidden beast` number, since 4 + 0 + 1 + 368 + 77 + 63 + 59 + 94 = 666.

It is a super-2 number, since 2×40136877635994² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40136877635999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 320670664 + ... + 320795804.

It is an arithmetic number, because the mean of its divisors is an integer number (1818664158168).

Almost surely, 2^{40136877635994} is an apocalyptic number.

40136877635994 is an abundant number, since it is smaller than the sum of its proper divisors (47159001956070).

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

40136877635994 is a wasteful number, since it uses less digits than its factorization.

40136877635994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193163 (or 193160 counting only the distinct ones).

The product of its (nonzero) digits is 823011840, while the sum is 72.

The spelling of 40136877635994 in words is "forty trillion, one hundred thirty-six billion, eight hundred seventy-seven million, six hundred thirty-five thousand, nine hundred ninety-four".