45558809520 has 160 divisors (see below), whose sum is σ = 169903649280. Its totient is φ = 9865359360.

The previous prime is 45558809509. The next prime is 45558809521. The reversal of 45558809520 is 2590885554.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (45558809521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 681721 + ... + 745560.

It is an arithmetic number, because the mean of its divisors is an integer number (1061897808).

Almost surely, 2^45558809520 is an apocalyptic number.

45558809520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45558809520 is an abundant number, since it is smaller than the sum of its proper divisors (124344839760).

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

45558809520 is a wasteful number, since it uses less digits than its factorization.

45558809520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427323 (or 1427317 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 51.

The spelling of 45558809520 in words is "forty-five billion, five hundred fifty-eight million, eight hundred nine thousand, five hundred twenty".