45539198080 has 64 divisors (see below), whose sum is σ = 109013258880. Its totient is φ = 18191232000.

The previous prime is 45539198057. The next prime is 45539198153. The reversal of 45539198080 is 8089193554.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433267 + ... + 528013.

It is an arithmetic number, because the mean of its divisors is an integer number (1703332170).

Almost surely, 2^45539198080 is an apocalyptic number.

45539198080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45539198080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54506629440).

45539198080 is an abundant number, since it is smaller than the sum of its proper divisors (63474060800).

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

45539198080 is an equidigital number, since it uses as much as digits as its factorization.

45539198080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95517 (or 95505 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 45539198080 in words is "forty-five billion, five hundred thirty-nine million, one hundred ninety-eight thousand, eighty".