45556031420 has 12 divisors (see below), whose sum is σ = 95667666024. Its totient is φ = 18222412560.

The previous prime is 45556031377. The next prime is 45556031461. The reversal of 45556031420 is 2413065554.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138900766 + ... + 1138900805.

It is an arithmetic number, because the mean of its divisors is an integer number (7972305502).

Almost surely, 2^45556031420 is an apocalyptic number.

It is an amenable number.

45556031420 is an abundant number, since it is smaller than the sum of its proper divisors (50111634604).

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

45556031420 is a wasteful number, since it uses less digits than its factorization.

45556031420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277801580 (or 2277801578 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 45556031420 its reverse (2413065554), we get a palindrome (47969096974).

The spelling of 45556031420 in words is "forty-five billion, five hundred fifty-six million, thirty-one thousand, four hundred twenty".