402050464 has 12 divisors (see below), whose sum is σ = 791536914. Its totient is φ = 201025216.

The previous prime is 402050449. The next prime is 402050477. The reversal of 402050464 is 464050204.

It can be written as a sum of positive squares in only one way, i.e., 269616400 + 132434064 = 16420^2 + 11508^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6282007 + ... + 6282070.

Almost surely, 2^402050464 is an apocalyptic number.

It is an amenable number.

402050464 is a deficient number, since it is larger than the sum of its proper divisors (389486450).

402050464 is a wasteful number, since it uses less digits than its factorization.

402050464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12564087 (or 12564079 counting only the distinct ones).

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

The square root of 402050464 is about 20051.1960740500. The cubic root of 402050464 is about 738.0631502232.

The spelling of 402050464 in words is "four hundred two million, fifty thousand, four hundred sixty-four".