402444204 has 24 divisors (see below), whose sum is σ = 946434048. Its totient is φ = 133091280.

The previous prime is 402444193. The next prime is 402444239.

402444204 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×402444204² = 323922674666387232, which contains 22 as substring.

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, 130512 + ... + 133559.

It is an arithmetic number, because the mean of its divisors is an integer number (39434752).

Almost surely, 2^402444204 is an apocalyptic number.

It is an amenable number.

402444204 is an abundant number, since it is smaller than the sum of its proper divisors (543989844).

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

402444204 is a wasteful number, since it uses less digits than its factorization.

402444204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264205 (or 264203 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 402444204 is about 20061.0120382796. The cubic root of 402444204 is about 738.3040073595.

The spelling of 402444204 in words is "four hundred two million, four hundred forty-four thousand, two hundred four".