2560899670 has 16 divisors (see below), whose sum is σ = 5268136608. Its totient is φ = 878022720.

The previous prime is 2560899659. The next prime is 2560899673. The reversal of 2560899670 is 769980652.

It is a happy number.

It is a super-2 number, since 2×2560899670² = 13116414239612217800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2560899673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18292071 + ... + 18292210.

It is an arithmetic number, because the mean of its divisors is an integer number (329258538).

Almost surely, 2^2560899670 is an apocalyptic number.

2560899670 is an abundant number, since it is smaller than the sum of its proper divisors (2707236938).

2560899670 is a wasteful number, since it uses less digits than its factorization.

2560899670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36584295.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 2560899670 is about 50605.3324265339. The cubic root of 2560899670 is about 1368.1409900370.

The spelling of 2560899670 in words is "two billion, five hundred sixty million, eight hundred ninety-nine thousand, six hundred seventy".