400750785715 has 32 divisors (see below), whose sum is σ = 574286469120. Its totient is φ = 262490747904.

The previous prime is 400750785697. The next prime is 400750785749. The reversal of 400750785715 is 517587057004.

It is not a de Polignac number, because 400750785715 - 2⁵ = 400750785683 is a prime.

It is a super-2 number, since 2×400750785715² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242851 + ... + 927619.

It is an arithmetic number, because the mean of its divisors is an integer number (17946452160).

Almost surely, 2^400750785715 is an apocalyptic number.

400750785715 is a deficient number, since it is larger than the sum of its proper divisors (173535683405).

400750785715 is a wasteful number, since it uses less digits than its factorization.

400750785715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685531.

The product of its (nonzero) digits is 1372000, while the sum is 49.

The spelling of 400750785715 in words is "four hundred billion, seven hundred fifty million, seven hundred eighty-five thousand, seven hundred fifteen".