2571904128 has 32 divisors (see below), whose sum is σ = 6831621360. Its totient is φ = 857301248.

The previous prime is 2571904123. The next prime is 2571904133. The reversal of 2571904128 is 8214091752.

It is an interprime number because it is at equal distance from previous prime (2571904123) and next prime (2571904133).

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×2571904128² = 13229381687246880768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2571904123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3348450 + ... + 3349217.

Almost surely, 2^2571904128 is an apocalyptic number.

It is an amenable number.

2571904128 is an abundant number, since it is smaller than the sum of its proper divisors (4259717232).

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

2571904128 is an equidigital number, since it uses as much as digits as its factorization.

2571904128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6697684 (or 6697672 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 2571904128 is about 50713.9441179642. The cubic root of 2571904128 is about 1370.0978721348.

The spelling of 2571904128 in words is "two billion, five hundred seventy-one million, nine hundred four thousand, one hundred twenty-eight".