402866160 has 160 divisors (see below), whose sum is σ = 1326343680. Its totient is φ = 100936704.

The previous prime is 402866159. The next prime is 402866179. The reversal of 402866160 is 61668204.

It is a happy number.

It is a super-2 number, since 2×402866160² = 324602285746291200, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 325062 + ... + 326298.

It is an arithmetic number, because the mean of its divisors is an integer number (8289648).

Almost surely, 2^402866160 is an apocalyptic number.

402866160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402866160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663171840).

402866160 is an abundant number, since it is smaller than the sum of its proper divisors (923477520).

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

402866160 is a wasteful number, since it uses less digits than its factorization.

402866160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335 (or 1329 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 402866160 is about 20071.5261004240. The cubic root of 402866160 is about 738.5619503550.

The spelling of 402866160 in words is "four hundred two million, eight hundred sixty-six thousand, one hundred sixty".