45185832320 has 32 divisors (see below), whose sum is σ = 108022381920. Its totient is φ = 18074332672.

The previous prime is 45185832313. The next prime is 45185832323. The reversal of 45185832320 is 2323858154.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45185832323) 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, 35300792 + ... + 35302071.

It is an arithmetic number, because the mean of its divisors is an integer number (3375699435).

Almost surely, 2^45185832320 is an apocalyptic number.

45185832320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45185832320 is an abundant number, since it is smaller than the sum of its proper divisors (62836549600).

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

45185832320 is an equidigital number, since it uses as much as digits as its factorization.

45185832320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70602882 (or 70602870 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 45185832320 in words is "forty-five billion, one hundred eighty-five million, eight hundred thirty-two thousand, three hundred twenty".