400304131130 has 16 divisors (see below), whose sum is σ = 720557034120. Its totient is φ = 160119519552.

The previous prime is 400304131099. The next prime is 400304131153. The reversal of 400304131130 is 31131403004.

It can be written as a sum of positive squares in 4 ways, for example, as 155695743889 + 244608387241 = 394583^2 + 494579^2 .

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, 682556 + ... + 1125384.

Almost surely, 2^400304131130 is an apocalyptic number.

400304131130 is a deficient number, since it is larger than the sum of its proper divisors (320252902990).

400304131130 is a wasteful number, since it uses less digits than its factorization.

400304131130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533233.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 400304131130 its reverse (31131403004), we get a palindrome (431435534134).

The spelling of 400304131130 in words is "four hundred billion, three hundred four million, one hundred thirty-one thousand, one hundred thirty".