45240440080 has 80 divisors (see below), whose sum is σ = 116691192000. Its totient is φ = 16172218880.

The previous prime is 45240440041. The next prime is 45240440117. The reversal of 45240440080 is 8004404254.

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

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, 383755 + ... + 487594.

It is an arithmetic number, because the mean of its divisors is an integer number (1458639900).

Almost surely, 2^45240440080 is an apocalyptic number.

45240440080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45240440080 is an abundant number, since it is smaller than the sum of its proper divisors (71450751920).

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

45240440080 is a wasteful number, since it uses less digits than its factorization.

45240440080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871432 (or 871426 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 31.

The spelling of 45240440080 in words is "forty-five billion, two hundred forty million, four hundred forty thousand, eighty".