45640053280 has 96 divisors (see below), whose sum is σ = 109695285504. Its totient is φ = 17941610496.

The previous prime is 45640053223. The next prime is 45640053287. The reversal of 45640053280 is 8235004654.

It is not an unprimeable number, because it can be changed into a prime (45640053287) 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, 2554137 + ... + 2571943.

It is an arithmetic number, because the mean of its divisors is an integer number (1142659224).

Almost surely, 2^45640053280 is an apocalyptic number.

45640053280 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 45640053280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54847642752).

45640053280 is an abundant number, since it is smaller than the sum of its proper divisors (64055232224).

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

45640053280 is a wasteful number, since it uses less digits than its factorization.

45640053280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18098 (or 18090 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 45640053280 in words is "forty-five billion, six hundred forty million, fifty-three thousand, two hundred eighty".