43431430404 has 24 divisors (see below), whose sum is σ = 104609037568. Its totient is φ = 14010138720.

The previous prime is 43431430397. The next prime is 43431430411. The reversal of 43431430404 is 40403413434.

It is an interprime number because it is at equal distance from previous prime (43431430397) and next prime (43431430411).

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, 58375207 + ... + 58375950.

Almost surely, 2^43431430404 is an apocalyptic number.

It is an amenable number.

43431430404 is an abundant number, since it is smaller than the sum of its proper divisors (61177607164).

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

43431430404 is a wasteful number, since it uses less digits than its factorization.

43431430404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116751195 (or 116751193 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 43431430404 its reverse (40403413434), we get a palindrome (83834843838).

The spelling of 43431430404 in words is "forty-three billion, four hundred thirty-one million, four hundred thirty thousand, four hundred four".