403474978434 has 24 divisors (see below), whose sum is σ = 886978053360. Its totient is φ = 122265144760.

The previous prime is 403474978433. The next prime is 403474978447. The reversal of 403474978434 is 434879474304.

It is not an unprimeable number, because it can be changed into a prime (403474978433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277874604 + ... + 277876055.

It is an arithmetic number, because the mean of its divisors is an integer number (36957418890).

Almost surely, 2^403474978434 is an apocalyptic number.

403474978434 is an abundant number, since it is smaller than the sum of its proper divisors (483503074926).

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

403474978434 is a wasteful number, since it uses less digits than its factorization.

403474978434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555750686 (or 555750675 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 57.

The spelling of 403474978434 in words is "four hundred three billion, four hundred seventy-four million, nine hundred seventy-eight thousand, four hundred thirty-four".