2585140268 has 6 divisors (see below), whose sum is σ = 4523995476. Its totient is φ = 1292570132.

The previous prime is 2585140231. The next prime is 2585140277. The reversal of 2585140268 is 8620415852.

It is a happy number.

It is a super-2 number, since 2×2585140268² = 13365900410470223648, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323142530 + ... + 323142537.

It is an arithmetic number, because the mean of its divisors is an integer number (753999246).

Almost surely, 2^2585140268 is an apocalyptic number.

It is an amenable number.

2585140268 is a deficient number, since it is larger than the sum of its proper divisors (1938855208).

2585140268 is a wasteful number, since it uses less digits than its factorization.

2585140268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646285071 (or 646285069 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 2585140268 is about 50844.2746826032. The cubic root of 2585140268 is about 1372.4442252797. Note that the first 3 decimals are identical.

The spelling of 2585140268 in words is "two billion, five hundred eighty-five million, one hundred forty thousand, two hundred sixty-eight".