448441804164 has 12 divisors (see below), whose sum is σ = 1046364209744. Its totient is φ = 149480601384.

The previous prime is 448441804141. The next prime is 448441804177. The reversal of 448441804164 is 461408144844.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×448441804164² (a number of 24 digits) contains 22 as substring.

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, 18685075162 + ... + 18685075185.

Almost surely, 2^448441804164 is an apocalyptic number.

It is an amenable number.

448441804164 is an abundant number, since it is smaller than the sum of its proper divisors (597922405580).

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

448441804164 is a wasteful number, since it uses less digits than its factorization.

448441804164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37370150354 (or 37370150352 counting only the distinct ones).

The product of its (nonzero) digits is 1572864, while the sum is 48.

The spelling of 448441804164 in words is "four hundred forty-eight billion, four hundred forty-one million, eight hundred four thousand, one hundred sixty-four".