45388560 has 80 divisors (see below), whose sum is σ = 160811136. Its totient is φ = 10374144.

The previous prime is 45388559. The next prime is 45388621. The reversal of 45388560 is 6588354.

It is a happy number.

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, 11829 + ... + 15188.

Almost surely, 2^45388560 is an apocalyptic number.

45388560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45388560 is an abundant number, since it is smaller than the sum of its proper divisors (115422576).

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

45388560 is a wasteful number, since it uses less digits than its factorization.

45388560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27040 (or 27034 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 45388560 is about 6737.1032350707. The cubic root of 45388560 is about 356.7101508497.

The spelling of 45388560 in words is "forty-five million, three hundred eighty-eight thousand, five hundred sixty".