45171206672 has 40 divisors (see below), whose sum is σ = 88557189120. Its totient is φ = 22318053120.

The previous prime is 45171206657. The next prime is 45171206681. The reversal of 45171206672 is 27660217154.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2530097 + ... + 2547887.

It is an arithmetic number, because the mean of its divisors is an integer number (2213929728).

Almost surely, 2^45171206672 is an apocalyptic number.

It is an amenable number.

45171206672 is a deficient number, since it is larger than the sum of its proper divisors (43385982448).

45171206672 is a wasteful number, since it uses less digits than its factorization.

45171206672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19671 (or 19665 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 45171206672 in words is "forty-five billion, one hundred seventy-one million, two hundred six thousand, six hundred seventy-two".