2585920670 has 32 divisors (see below), whose sum is σ = 4783885920. Its totient is φ = 1005863040.

The previous prime is 2585920657. The next prime is 2585920699. The reversal of 2585920670 is 760295852.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85340 + ... + 111600.

It is an arithmetic number, because the mean of its divisors is an integer number (149496435).

Almost surely, 2^2585920670 is an apocalyptic number.

2585920670 is a deficient number, since it is larger than the sum of its proper divisors (2197965250).

2585920670 is a wasteful number, since it uses less digits than its factorization.

2585920670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26540.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 2585920670 is about 50851.9485369047. The cubic root of 2585920670 is about 1372.5823158472.

The spelling of 2585920670 in words is "two billion, five hundred eighty-five million, nine hundred twenty thousand, six hundred seventy".