544639625472 has 36 divisors (see below), whose sum is σ = 1449535671920. Its totient is φ = 181546541568.

The previous prime is 544639625471. The next prime is 544639625521. The reversal of 544639625472 is 274526936445.

It is not an unprimeable number, because it can be changed into a prime (544639625471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354582322 + ... + 354583857.

Almost surely, 2^544639625472 is an apocalyptic number.

It is an amenable number.

544639625472 is an abundant number, since it is smaller than the sum of its proper divisors (904896046448).

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

544639625472 is an equidigital number, since it uses as much as digits as its factorization.

544639625472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709166198 (or 709166184 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 57.

The spelling of 544639625472 in words is "five hundred forty-four billion, six hundred thirty-nine million, six hundred twenty-five thousand, four hundred seventy-two".