447390018120 has 64 divisors (see below), whose sum is σ = 1342956024000. Its totient is φ = 119234140928.

The previous prime is 447390018059. The next prime is 447390018133. The reversal of 447390018120 is 21810093744.

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, 885690 + ... + 1295849.

It is an arithmetic number, because the mean of its divisors is an integer number (20983687875).

Almost surely, 2^447390018120 is an apocalyptic number.

447390018120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

447390018120 is an abundant number, since it is smaller than the sum of its proper divisors (895566005880).

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

447390018120 is a wasteful number, since it uses less digits than its factorization.

447390018120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183262 (or 2183258 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 447390018120 in words is "four hundred forty-seven billion, three hundred ninety million, eighteen thousand, one hundred twenty".