2585374858 has 32 divisors (see below), whose sum is σ = 4491417600. Its totient is φ = 1103093760.

The previous prime is 2585374849. The next prime is 2585374861. The reversal of 2585374858 is 8584735852.

It is a junction number, because it is equal to n+sod(n) for n = 2585374799 and 2585374808.

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 in 15 ways as a sum of consecutive naturals, for example, 134218 + ... + 152266.

It is an arithmetic number, because the mean of its divisors is an integer number (140356800).

Almost surely, 2^2585374858 is an apocalyptic number.

2585374858 is a deficient number, since it is larger than the sum of its proper divisors (1906042742).

2585374858 is a wasteful number, since it uses less digits than its factorization.

2585374858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18462.

The product of its digits is 10752000, while the sum is 55.

The square root of 2585374858 is about 50846.5815763459. The cubic root of 2585374858 is about 1372.4857384304.

The spelling of 2585374858 in words is "two billion, five hundred eighty-five million, three hundred seventy-four thousand, eight hundred fifty-eight".