447125865720 has 64 divisors (see below), whose sum is σ = 1374094139040. Its totient is φ = 116325427200.

The previous prime is 447125865623. The next prime is 447125865779. The reversal of 447125865720 is 27568521744.

It is a super-2 number, since 2×447125865720² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 45434701 + ... + 45444540.

Almost surely, 2^447125865720 is an apocalyptic number.

447125865720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

447125865720 is an abundant number, since it is smaller than the sum of its proper divisors (926968273320).

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

447125865720 is a wasteful number, since it uses less digits than its factorization.

447125865720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90879296 (or 90879292 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 51.

The spelling of 447125865720 in words is "four hundred forty-seven billion, one hundred twenty-five million, eight hundred sixty-five thousand, seven hundred twenty".