2669425728 has 56 divisors (see below), whose sum is σ = 7128918432. Its totient is φ = 881485824.

The previous prime is 2669425723. The next prime is 2669425751. The reversal of 2669425728 is 8275249662.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2669425723) 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 7 ways as a sum of consecutive naturals, for example, 44425 + ... + 85512.

Almost surely, 2^2669425728 is an apocalyptic number.

It is an amenable number.

2669425728 is an abundant number, since it is smaller than the sum of its proper divisors (4459492704).

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

2669425728 is a wasteful number, since it uses less digits than its factorization.

2669425728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130059 (or 130049 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The square root of 2669425728 is about 51666.4855394675. The cubic root of 2669425728 is about 1387.2006404241.

The spelling of 2669425728 in words is "two billion, six hundred sixty-nine million, four hundred twenty-five thousand, seven hundred twenty-eight".