447748144372 has 12 divisors (see below), whose sum is σ = 783709195360. Its totient is φ = 223831231416.

The previous prime is 447748144357. The next prime is 447748144381. The reversal of 447748144372 is 273441847744.

It is a congruent 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, 10686672 + ... + 10728487.

Almost surely, 2^447748144372 is an apocalyptic number.

It is an amenable number.

447748144372 is a deficient number, since it is larger than the sum of its proper divisors (335961050988).

447748144372 is a wasteful number, since it uses less digits than its factorization.

447748144372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21420390 (or 21420388 counting only the distinct ones).

The product of its digits is 16859136, while the sum is 55.

The spelling of 447748144372 in words is "four hundred forty-seven billion, seven hundred forty-eight million, one hundred forty-four thousand, three hundred seventy-two".