400304347144 has 48 divisors (see below), whose sum is σ = 812842592400. Its totient is φ = 184734373824.

The previous prime is 400304347127. The next prime is 400304347171. The reversal of 400304347144 is 441743403004.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22762947 + ... + 22780525.

It is an arithmetic number, because the mean of its divisors is an integer number (16934220675).

Almost surely, 2^400304347144 is an apocalyptic number.

It is an amenable number.

400304347144 is an abundant number, since it is smaller than the sum of its proper divisors (412538245256).

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

400304347144 is a wasteful number, since it uses less digits than its factorization.

400304347144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34454 (or 34437 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 34.

The spelling of 400304347144 in words is "four hundred billion, three hundred four million, three hundred forty-seven thousand, one hundred forty-four".