2655523728 has 120 divisors (see below), whose sum is σ = 8731107840. Its totient is φ = 742798080.

The previous prime is 2655523723. The next prime is 2655523729. The reversal of 2655523728 is 8273255562.

2655523728 is a `hidden beast` number, since 2 + 6 + 55 + 523 + 72 + 8 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2655523723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43888 + ... + 85071.

It is an arithmetic number, because the mean of its divisors is an integer number (72759232).

Almost surely, 2^2655523728 is an apocalyptic number.

It is an amenable number.

2655523728 is an abundant number, since it is smaller than the sum of its proper divisors (6075584112).

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

2655523728 is a wasteful number, since it uses less digits than its factorization.

2655523728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128997 (or 128988 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The square root of 2655523728 is about 51531.7739651955. The cubic root of 2655523728 is about 1384.7883315480.

The spelling of 2655523728 in words is "two billion, six hundred fifty-five million, five hundred twenty-three thousand, seven hundred twenty-eight".