400071440010 has 64 divisors (see below), whose sum is σ = 1047852495360. Its totient is φ = 96950652480.

The previous prime is 400071440009. The next prime is 400071440149. The reversal of 400071440010 is 10044170004.

It is a super-2 number, since 2×400071440010² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 659461 + ... + 1111319.

It is an arithmetic number, because the mean of its divisors is an integer number (16372695240).

Almost surely, 2^400071440010 is an apocalyptic number.

400071440010 is an abundant number, since it is smaller than the sum of its proper divisors (647781055350).

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

400071440010 is a wasteful number, since it uses less digits than its factorization.

400071440010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454563.

The product of its (nonzero) digits is 448, while the sum is 21.

The spelling of 400071440010 in words is "four hundred billion, seventy-one million, four hundred forty thousand, ten".