402536488 has 32 divisors (see below), whose sum is σ = 790110720. Its totient is φ = 192024000.

The previous prime is 402536473. The next prime is 402536503. The reversal of 402536488 is 884635204.

It is an interprime number because it is at equal distance from previous prime (402536473) and next prime (402536503).

It is a self number, because there is not a number n which added to its sum of digits gives 402536488.

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, 6178 + ... + 29038.

It is an arithmetic number, because the mean of its divisors is an integer number (24690960).

Almost surely, 2^402536488 is an apocalyptic number.

It is an amenable number.

402536488 is a deficient number, since it is larger than the sum of its proper divisors (387574232).

402536488 is a wasteful number, since it uses less digits than its factorization.

402536488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22969 (or 22965 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 402536488 is about 20063.3119897987. The cubic root of 402536488 is about 738.3604362501.

The spelling of 402536488 in words is "four hundred two million, five hundred thirty-six thousand, four hundred eighty-eight".