402624052 has 12 divisors (see below), whose sum is σ = 728888580. Its totient is φ = 194370176.

The previous prime is 402624049. The next prime is 402624067. The reversal of 402624052 is 250426204.

It can be written as a sum of positive squares in 2 ways, for example, as 286760356 + 115863696 = 16934^2 + 10764^2 .

It is a super-2 number, since 2×402624052² = 324212254497797408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1735333 + ... + 1735564.

It is an arithmetic number, because the mean of its divisors is an integer number (60740715).

Almost surely, 2^402624052 is an apocalyptic number.

It is an amenable number.

402624052 is a deficient number, since it is larger than the sum of its proper divisors (326264528).

402624052 is a wasteful number, since it uses less digits than its factorization.

402624052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470930 (or 3470928 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 402624052 is about 20065.4940631922. The cubic root of 402624052 is about 738.4139710290.

The spelling of 402624052 in words is "four hundred two million, six hundred twenty-four thousand, fifty-two".