40256723708855 has 16 divisors (see below), whose sum is σ = 51162565249920. Its totient is φ = 30323178893088.

The previous prime is 40256723708827. The next prime is 40256723708867. The reversal of 40256723708855 is 55880732765204.

It is a cyclic number.

It is not a de Polignac number, because 40256723708855 - 2⁶ = 40256723708791 is a prime.

It is a super-2 number, since 2×40256723708855² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1299846437 + ... + 1299877406.

It is an arithmetic number, because the mean of its divisors is an integer number (3197660328120).

Almost surely, 2^{40256723708855} is an apocalyptic number.

40256723708855 is a deficient number, since it is larger than the sum of its proper divisors (10905841541065).

40256723708855 is a wasteful number, since it uses less digits than its factorization.

40256723708855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2599724030.

The product of its (nonzero) digits is 112896000, while the sum is 62.

The spelling of 40256723708855 in words is "forty trillion, two hundred fifty-six billion, seven hundred twenty-three million, seven hundred eight thousand, eight hundred fifty-five".