400070440444 has 24 divisors (see below), whose sum is σ = 702745586928. Its totient is φ = 199286286720.

The previous prime is 400070440421. The next prime is 400070440447. The reversal of 400070440444 is 444044070004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400070440447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5716914 + ... + 5786470.

It is an arithmetic number, because the mean of its divisors is an integer number (29281066122).

Almost surely, 2^400070440444 is an apocalyptic number.

It is an amenable number.

400070440444 is a deficient number, since it is larger than the sum of its proper divisors (302675146484).

400070440444 is a wasteful number, since it uses less digits than its factorization.

400070440444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74925 (or 74923 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 31.

The spelling of 400070440444 in words is "four hundred billion, seventy million, four hundred forty thousand, four hundred forty-four".