45989102028 has 48 divisors (see below), whose sum is σ = 108776192000. Its totient is φ = 15120338688.

The previous prime is 45989102023. The next prime is 45989102039. The reversal of 45989102028 is 82020198954.

It is a super-2 number, since 2×45989102028² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45989102023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 932493 + ... + 980571.

Almost surely, 2^45989102028 is an apocalyptic number.

It is an amenable number.

45989102028 is an abundant number, since it is smaller than the sum of its proper divisors (62787089972).

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

45989102028 is a wasteful number, since it uses less digits than its factorization.

45989102028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49174 (or 49172 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 45989102028 in words is "forty-five billion, nine hundred eighty-nine million, one hundred two thousand, twenty-eight".