400464620024 has 16 divisors (see below), whose sum is σ = 858138471600. Its totient is φ = 171627694272.

The previous prime is 400464619993. The next prime is 400464620071. The reversal of 400464620024 is 420026464004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3575576909 + ... + 3575577020.

It is an arithmetic number, because the mean of its divisors is an integer number (53633654475).

Almost surely, 2^400464620024 is an apocalyptic number.

It is an amenable number.

400464620024 is an abundant number, since it is smaller than the sum of its proper divisors (457673851576).

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

400464620024 is a wasteful number, since it uses less digits than its factorization.

400464620024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7151153942 (or 7151153938 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The spelling of 400464620024 in words is "four hundred billion, four hundred sixty-four million, six hundred twenty thousand, twenty-four".