40402082016 has 72 divisors (see below), whose sum is σ = 119148755544. Its totient is φ = 13467358080.

The previous prime is 40402081999. The next prime is 40402082051. The reversal of 40402082016 is 61028020404.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2590095 + ... + 2605646.

It is an arithmetic number, because the mean of its divisors is an integer number (1654843827).

Almost surely, 2^40402082016 is an apocalyptic number.

It is an amenable number.

40402082016 is an abundant number, since it is smaller than the sum of its proper divisors (78746673528).

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

40402082016 is an equidigital number, since it uses as much as digits as its factorization.

40402082016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5195766 (or 5195746 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The spelling of 40402082016 in words is "forty billion, four hundred two million, eighty-two thousand, sixteen".