447373394172 has 72 divisors (see below), whose sum is σ = 1167468149120. Its totient is φ = 144298143360.

The previous prime is 447373394131. The next prime is 447373394227. The reversal of 447373394172 is 271493373744.

447373394172 is a `hidden beast` number, since 4 + 473 + 73 + 3 + 94 + 17 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14328354 + ... + 14359542.

Almost surely, 2^447373394172 is an apocalyptic number.

It is an amenable number.

447373394172 is an abundant number, since it is smaller than the sum of its proper divisors (720094754948).

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

447373394172 is a wasteful number, since it uses less digits than its factorization.

447373394172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44083 (or 44078 counting only the distinct ones).

The product of its digits is 10668672, while the sum is 54.

The spelling of 447373394172 in words is "four hundred forty-seven billion, three hundred seventy-three million, three hundred ninety-four thousand, one hundred seventy-two".