45148972880 has 80 divisors (see below), whose sum is σ = 118208291328. Its totient is φ = 15888192000.

The previous prime is 45148972879. The next prime is 45148972943. The reversal of 45148972880 is 8827984154.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 800231 + ... + 854790.

Almost surely, 2^45148972880 is an apocalyptic number.

45148972880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45148972880 is an abundant number, since it is smaller than the sum of its proper divisors (73059318448).

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

45148972880 is a wasteful number, since it uses less digits than its factorization.

45148972880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655076 (or 1655070 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 56.

The spelling of 45148972880 in words is "forty-five billion, one hundred forty-eight million, nine hundred seventy-two thousand, eight hundred eighty".