2657823128 has 32 divisors (see below), whose sum is σ = 5056538400. Its totient is φ = 1309448448.

The previous prime is 2657823097. The next prime is 2657823137. The reversal of 2657823128 is 8213287562.

2657823128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 996725 + ... + 999387.

It is an arithmetic number, because the mean of its divisors is an integer number (158016825).

Almost surely, 2^2657823128 is an apocalyptic number.

It is an amenable number.

2657823128 is a deficient number, since it is larger than the sum of its proper divisors (2398715272).

2657823128 is a wasteful number, since it uses less digits than its factorization.

2657823128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4451 (or 4447 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 2657823128 is about 51554.0796445829. The cubic root of 2657823128 is about 1385.1879091836.

The spelling of 2657823128 in words is "two billion, six hundred fifty-seven million, eight hundred twenty-three thousand, one hundred twenty-eight".