402075564 has 48 divisors (see below), whose sum is σ = 1024845696. Its totient is φ = 121676800.

The previous prime is 402075563. The next prime is 402075577. The reversal of 402075564 is 465570204.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (402075563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126604 + ... + 129740.

It is an arithmetic number, because the mean of its divisors is an integer number (21350952).

Almost surely, 2^402075564 is an apocalyptic number.

402075564 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

402075564 is an abundant number, since it is smaller than the sum of its proper divisors (622770132).

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

402075564 is a wasteful number, since it uses less digits than its factorization.

402075564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4126 (or 4124 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 402075564 is about 20051.8219621061. The cubic root of 402075564 is about 738.0785089913.

The spelling of 402075564 in words is "four hundred two million, seventy-five thousand, five hundred sixty-four".