400404024204 has 24 divisors (see below), whose sum is σ = 936293944320. Its totient is φ = 133179738384.

The previous prime is 400404024131. The next prime is 400404024227. The reversal of 400404024204 is 402420404004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36027924 + ... + 36039035.

It is an arithmetic number, because the mean of its divisors is an integer number (39012247680).

Almost surely, 2^400404024204 is an apocalyptic number.

It is an amenable number.

400404024204 is an abundant number, since it is smaller than the sum of its proper divisors (535889920116).

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

400404024204 is a wasteful number, since it uses less digits than its factorization.

400404024204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72067429 (or 72067427 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 400404024204 its reverse (402420404004), we get a palindrome (802824428208).

The spelling of 400404024204 in words is "four hundred billion, four hundred four million, twenty-four thousand, two hundred four".