402412504 has 16 divisors (see below), whose sum is σ = 812563920. Its totient is φ = 185728800.

The previous prime is 402412477. The next prime is 402412511. The reversal of 402412504 is 405214204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1934572 + ... + 1934779.

It is an arithmetic number, because the mean of its divisors is an integer number (50785245).

Almost surely, 2^402412504 is an apocalyptic number.

It is an amenable number.

402412504 is an abundant number, since it is smaller than the sum of its proper divisors (410151416).

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

402412504 is a wasteful number, since it uses less digits than its factorization.

402412504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3869370 (or 3869366 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 402412504 is about 20060.2219329697. The cubic root of 402412504 is about 738.2846217724.

Adding to 402412504 its reverse (405214204), we get a palindrome (807626708).

The spelling of 402412504 in words is "four hundred two million, four hundred twelve thousand, five hundred four".