45255656672 has 48 divisors (see below), whose sum is σ = 91755316800. Its totient is φ = 21956064768.

The previous prime is 45255656669. The next prime is 45255656689. The reversal of 45255656672 is 27665655254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382454 + ... + 486602.

It is an arithmetic number, because the mean of its divisors is an integer number (1911569100).

Almost surely, 2^45255656672 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 45255656672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45877658400).

45255656672 is an abundant number, since it is smaller than the sum of its proper divisors (46499660128).

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

45255656672 is a wasteful number, since it uses less digits than its factorization.

45255656672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104563 (or 104555 counting only the distinct ones).

The product of its digits is 15120000, while the sum is 53.

The spelling of 45255656672 in words is "forty-five billion, two hundred fifty-five million, six hundred fifty-six thousand, six hundred seventy-two".