400705374704 has 80 divisors (see below), whose sum is σ = 812892659040. Its totient is φ = 191142282240.

The previous prime is 400705374701. The next prime is 400705374799. The reversal of 400705374704 is 407473507004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400705374701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72444419 + ... + 72449949.

It is an arithmetic number, because the mean of its divisors is an integer number (10161158238).

Almost surely, 2^400705374704 is an apocalyptic number.

It is an amenable number.

400705374704 is an abundant number, since it is smaller than the sum of its proper divisors (412187284336).

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

400705374704 is a wasteful number, since it uses less digits than its factorization.

400705374704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7938 (or 7932 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 41.

The spelling of 400705374704 in words is "four hundred billion, seven hundred five million, three hundred seventy-four thousand, seven hundred four".