402475464 has 24 divisors (see below), whose sum is σ = 1090037910. Its totient is φ = 134158464.

The previous prime is 402475453. The next prime is 402475483. The reversal of 402475464 is 464574204.

It can be written as a sum of positive squares in only one way, i.e., 402323364 + 152100 = 20058^2 + 390^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 in 5 ways as a sum of consecutive naturals, for example, 2794897 + ... + 2795040.

Almost surely, 2^402475464 is an apocalyptic number.

It is an amenable number.

402475464 is an abundant number, since it is smaller than the sum of its proper divisors (687562446).

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

402475464 is a wasteful number, since it uses less digits than its factorization.

402475464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5589949 (or 5589942 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

The square root of 402475464 is about 20061.7911463558. The cubic root of 402475464 is about 738.3231228754.

The spelling of 402475464 in words is "four hundred two million, four hundred seventy-five thousand, four hundred sixty-four".