2642125128 has 16 divisors (see below), whose sum is σ = 6605312880. Its totient is φ = 880708368.

The previous prime is 2642125049. The next prime is 2642125141. The reversal of 2642125128 is 8215212462.

2642125128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55044250 + ... + 55044297.

It is an arithmetic number, because the mean of its divisors is an integer number (412832055).

Almost surely, 2^2642125128 is an apocalyptic number.

It is an amenable number.

2642125128 is an abundant number, since it is smaller than the sum of its proper divisors (3963187752).

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

2642125128 is a wasteful number, since it uses less digits than its factorization.

2642125128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110088556 (or 110088552 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 2642125128 is about 51401.6062784034. The cubic root of 2642125128 is about 1382.4553933551.

The spelling of 2642125128 in words is "two billion, six hundred forty-two million, one hundred twenty-five thousand, one hundred twenty-eight".