45817581568 has 104 divisors (see below), whose sum is σ = 100168197696. Its totient is φ = 20781465600.

The previous prime is 45817581539. The next prime is 45817581581. The reversal of 45817581568 is 86518571854.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30321933 + ... + 30323443.

Almost surely, 2^45817581568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45817581568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50084098848).

45817581568 is an abundant number, since it is smaller than the sum of its proper divisors (54350616128).

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

45817581568 is a wasteful number, since it uses less digits than its factorization.

45817581568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219 (or 2197 counting only the distinct ones).

The product of its digits is 10752000, while the sum is 58.

The spelling of 45817581568 in words is "forty-five billion, eight hundred seventeen million, five hundred eighty-one thousand, five hundred sixty-eight".