402045422880 has 96 divisors (see below), whose sum is σ = 1266541363584. Its totient is φ = 107203792896.

The previous prime is 402045422873. The next prime is 402045422893. The reversal of 402045422880 is 88224540204.

It is a tau number, because it is divible by the number of its divisors (96).

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 15 ways as a sum of consecutive naturals, for example, 8478597 + ... + 8525883.

It is an arithmetic number, because the mean of its divisors is an integer number (13193139204).

Almost surely, 2^402045422880 is an apocalyptic number.

402045422880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402045422880 is an abundant number, since it is smaller than the sum of its proper divisors (864495940704).

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

402045422880 is a wasteful number, since it uses less digits than its factorization.

402045422880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65018 (or 65010 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 39.

The spelling of 402045422880 in words is "four hundred two billion, forty-five million, four hundred twenty-two thousand, eight hundred eighty".