45501320880 has 120 divisors (see below), whose sum is σ = 152847060912. Its totient is φ = 12130632192.

The previous prime is 45501320857. The next prime is 45501320881. The reversal of 45501320880 is 8802310554.

It is a happy number.

45501320880 is a `hidden beast` number, since 4 + 550 + 1 + 3 + 20 + 8 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (45501320881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5580967 + ... + 5589113.

Almost surely, 2^45501320880 is an apocalyptic number.

45501320880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45501320880 is an abundant number, since it is smaller than the sum of its proper divisors (107345740032).

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

45501320880 is a wasteful number, since it uses less digits than its factorization.

45501320880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15923 (or 15914 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 45501320880 in words is "forty-five billion, five hundred one million, three hundred twenty thousand, eight hundred eighty".