4445494945444 has 12 divisors (see below), whose sum is σ = 8890989890944. Its totient is φ = 1905212119464.

The previous prime is 4445494945421. The next prime is 4445494945453.

It is a happy number.

4445494945444 is nontrivially palindromic in base 10.

4445494945444 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79383838284 + ... + 79383838339.

Almost surely, 2^{4445494945444} is an apocalyptic number.

It is an amenable number.

4445494945444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4445494945444 is a wasteful number, since it uses less digits than its factorization.

4445494945444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158767676634 (or 158767676632 counting only the distinct ones).

The product of its digits is 530841600, while the sum is 64.

The spelling of 4445494945444 in words is "four trillion, four hundred forty-five billion, four hundred ninety-four million, nine hundred forty-five thousand, four hundred forty-four".