45909577320 has 128 divisors (see below), whose sum is σ = 140455866240. Its totient is φ = 12000568320.

The previous prime is 45909577313. The next prime is 45909577333. The reversal of 45909577320 is 2377590954.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8780547 + ... + 8785773.

It is an arithmetic number, because the mean of its divisors is an integer number (1097311455).

Almost surely, 2^45909577320 is an apocalyptic number.

45909577320 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 45909577320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70227933120).

45909577320 is an abundant number, since it is smaller than the sum of its proper divisors (94546288920).

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

45909577320 is a wasteful number, since it uses less digits than its factorization.

45909577320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6675 (or 6671 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 51.

The spelling of 45909577320 in words is "forty-five billion, nine hundred nine million, five hundred seventy-seven thousand, three hundred twenty".