45172897949460 has 48 divisors (see below), whose sum is σ = 126550232778816. Its totient is φ = 12039809117952.

The previous prime is 45172897949449. The next prime is 45172897949461. The reversal of 45172897949460 is 6494979827154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45172897949461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196665574 + ... + 196895133.

It is an arithmetic number, because the mean of its divisors is an integer number (2636463182892).

Almost surely, 2^{45172897949460} is an apocalyptic number.

It is an amenable number.

45172897949460 is an abundant number, since it is smaller than the sum of its proper divisors (81377334829356).

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

45172897949460 is a wasteful number, since it uses less digits than its factorization.

45172897949460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393562632 (or 393562630 counting only the distinct ones).

The product of its (nonzero) digits is 1097349120, while the sum is 75.

The spelling of 45172897949460 in words is "forty-five trillion, one hundred seventy-two billion, eight hundred ninety-seven million, nine hundred forty-nine thousand, four hundred sixty".