52431130404 has 18 divisors (see below), whose sum is σ = 132534246390. Its totient is φ = 17477043456.

The previous prime is 52431130361. The next prime is 52431130421. The reversal of 52431130404 is 40403113425.

It is a happy number.

52431130404 is a `hidden beast` number, since 5 + 243 + 1 + 13 + 0 + 404 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29669373504 + 22761756900 = 172248^2 + 150870^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 728210109 + ... + 728210180.

Almost surely, 2^52431130404 is an apocalyptic number.

It is an amenable number.

52431130404 is an abundant number, since it is smaller than the sum of its proper divisors (80103115986).

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

52431130404 is a wasteful number, since it uses less digits than its factorization.

52431130404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456420299 (or 1456420294 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 52431130404 its reverse (40403113425), we get a palindrome (92834243829).

The spelling of 52431130404 in words is "fifty-two billion, four hundred thirty-one million, one hundred thirty thousand, four hundred four".