402434052 has 24 divisors (see below), whose sum is σ = 964392576. Its totient is φ = 130519008.

The previous prime is 402434029. The next prime is 402434077. The reversal of 402434052 is 250434204.

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, 452748 + ... + 453635.

It is an arithmetic number, because the mean of its divisors is an integer number (40183024).

Almost surely, 2^402434052 is an apocalyptic number.

It is an amenable number.

402434052 is an abundant number, since it is smaller than the sum of its proper divisors (561958524).

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

402434052 is a wasteful number, since it uses less digits than its factorization.

402434052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906427 (or 906425 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 402434052 is about 20060.7590085719. The cubic root of 402434052 is about 738.2977991902.

Adding to 402434052 its reverse (250434204), we get a palindrome (652868256).

The spelling of 402434052 in words is "four hundred two million, four hundred thirty-four thousand, fifty-two".