45551810560 has 48 divisors (see below), whose sum is σ = 109297679400. Its totient is φ = 18220720128.

The previous prime is 45551810483. The next prime is 45551810561. The reversal of 45551810560 is 6501815554.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45551810561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2213970 + ... + 2234449.

Almost surely, 2^45551810560 is an apocalyptic number.

45551810560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45551810560 is an abundant number, since it is smaller than the sum of its proper divisors (63745868840).

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

45551810560 is an equidigital number, since it uses as much as digits as its factorization.

45551810560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4448446 (or 4448426 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 40.

The spelling of 45551810560 in words is "forty-five billion, five hundred fifty-one million, eight hundred ten thousand, five hundred sixty".