2585875590 has 40 divisors (see below), whose sum is σ = 6953134320. Its totient is φ = 689566608.

The previous prime is 2585875553. The next prime is 2585875597. The reversal of 2585875590 is 955785852.

It is a happy number.

2585875590 is a `hidden beast` number, since 2 + 5 + 8 + 5 + 87 + 559 + 0 = 666.

It is a super-3 number, since 3×2585875590³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2585875597) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1595410 + ... + 1597029.

It is an arithmetic number, because the mean of its divisors is an integer number (173828358).

Almost surely, 2^2585875590 is an apocalyptic number.

2585875590 is an abundant number, since it is smaller than the sum of its proper divisors (4367258730).

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

2585875590 is a wasteful number, since it uses less digits than its factorization.

2585875590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192458 (or 3192449 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 54.

The square root of 2585875590 is about 50851.5052874544. The cubic root of 2585875590 is about 1372.5743397878.

The spelling of 2585875590 in words is "two billion, five hundred eighty-five million, eight hundred seventy-five thousand, five hundred ninety".