40002044448 has 24 divisors (see below), whose sum is σ = 105005366928. Its totient is φ = 13334014784.

The previous prime is 40002044443. The next prime is 40002044471. The reversal of 40002044448 is 84444020004.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (40002044443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208343886 + ... + 208344077.

It is an arithmetic number, because the mean of its divisors is an integer number (4375223622).

Almost surely, 2^40002044448 is an apocalyptic number.

40002044448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40002044448 is an abundant number, since it is smaller than the sum of its proper divisors (65003322480).

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

40002044448 is a wasteful number, since it uses less digits than its factorization.

40002044448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416687976 (or 416687968 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

The spelling of 40002044448 in words is "forty billion, two million, forty-four thousand, four hundred forty-eight".