400732465830 has 32 divisors (see below), whose sum is σ = 1018331914464. Its totient is φ = 100575991296.

The previous prime is 400732465829. The next prime is 400732465841. The reversal of 400732465830 is 38564237004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392874457 + ... + 392875476.

It is an arithmetic number, because the mean of its divisors is an integer number (31822872327).

Almost surely, 2^400732465830 is an apocalyptic number.

400732465830 is an abundant number, since it is smaller than the sum of its proper divisors (617599448634).

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

400732465830 is a wasteful number, since it uses less digits than its factorization.

400732465830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785749960.

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 400732465830 in words is "four hundred billion, seven hundred thirty-two million, four hundred sixty-five thousand, eight hundred thirty".