40402804288 has 112 divisors (see below), whose sum is σ = 100027459584. Its totient is φ = 15730352640.

The previous prime is 40402804241. The next prime is 40402804297. The reversal of 40402804288 is 88240820404.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 40402804288.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13634295 + ... + 13637257.

Almost surely, 2^40402804288 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 40402804288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50013729792).

40402804288 is an abundant number, since it is smaller than the sum of its proper divisors (59624655296).

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

40402804288 is a wasteful number, since it uses less digits than its factorization.

40402804288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5760 (or 5750 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The spelling of 40402804288 in words is "forty billion, four hundred two million, eight hundred four thousand, two hundred eighty-eight".