45578332820 has 48 divisors (see below), whose sum is σ = 96914216448. Its totient is φ = 18003027840.

The previous prime is 45578332777. The next prime is 45578332867. The reversal of 45578332820 is 2823387554.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4295762 + ... + 4306358.

It is an arithmetic number, because the mean of its divisors is an integer number (2019046176).

Almost surely, 2^45578332820 is an apocalyptic number.

It is an amenable number.

45578332820 is an abundant number, since it is smaller than the sum of its proper divisors (51335883628).

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

45578332820 is a wasteful number, since it uses less digits than its factorization.

45578332820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13280 (or 13278 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 45578332820 in words is "forty-five billion, five hundred seventy-eight million, three hundred thirty-two thousand, eight hundred twenty".