402880862020 has 96 divisors (see below), whose sum is σ = 1041855091200. Its totient is φ = 127436212224.

The previous prime is 402880862017. The next prime is 402880862089. The reversal of 402880862020 is 20268088204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3360876 + ... + 3478684.

It is an arithmetic number, because the mean of its divisors is an integer number (10852657200).

Almost surely, 2^402880862020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402880862020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520927545600).

402880862020 is an abundant number, since it is smaller than the sum of its proper divisors (638974229180).

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

402880862020 is a wasteful number, since it uses less digits than its factorization.

402880862020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119717 (or 119715 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The spelling of 402880862020 in words is "four hundred two billion, eight hundred eighty million, eight hundred sixty-two thousand, twenty".