45656132800 has 42 divisors (see below), whose sum is σ = 112342625708. Its totient is φ = 18262452480.

The previous prime is 45656132791. The next prime is 45656132801. The reversal of 45656132800 is 823165654.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (45656132801) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 14265942 + ... + 14269141.

Almost surely, 2^45656132800 is an apocalyptic number.

45656132800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45656132800 is an abundant number, since it is smaller than the sum of its proper divisors (66686492908).

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

45656132800 is a wasteful number, since it uses less digits than its factorization.

45656132800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28535105 (or 28535090 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 45656132800 in words is "forty-five billion, six hundred fifty-six million, one hundred thirty-two thousand, eight hundred".