40330403872 has 48 divisors (see below), whose sum is σ = 86673434400. Its totient is φ = 18320419840.

The previous prime is 40330403767. The next prime is 40330403879. The reversal of 40330403872 is 27830403304.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40330403879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534504 + ... + 605272.

It is an arithmetic number, because the mean of its divisors is an integer number (1805696550).

Almost surely, 2^40330403872 is an apocalyptic number.

It is an amenable number.

40330403872 is an abundant number, since it is smaller than the sum of its proper divisors (46343030528).

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

40330403872 is a wasteful number, since it uses less digits than its factorization.

40330403872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72409 (or 72401 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 34.

The spelling of 40330403872 in words is "forty billion, three hundred thirty million, four hundred three thousand, eight hundred seventy-two".