402866080 has 48 divisors (see below), whose sum is σ = 982485504. Its totient is φ = 155946240.

The previous prime is 402866069. The next prime is 402866083. The reversal of 402866080 is 80668204.

It is not an unprimeable number, because it can be changed into a prime (402866083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35652 + ... + 45571.

It is an arithmetic number, because the mean of its divisors is an integer number (20468448).

Almost surely, 2^402866080 is an apocalyptic number.

402866080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402866080 is an abundant number, since it is smaller than the sum of its proper divisors (579619424).

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

402866080 is a wasteful number, since it uses less digits than its factorization.

402866080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81269 (or 81261 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 402866080 is about 20071.5241075510. The cubic root of 402866080 is about 738.5619014678.

The spelling of 402866080 in words is "four hundred two million, eight hundred sixty-six thousand, eighty".