2585678404 has 24 divisors (see below), whose sum is σ = 4548418560. Its totient is φ = 1286148864.

The previous prime is 2585678401. The next prime is 2585678419. The reversal of 2585678404 is 4048765852.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2585678401) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 674437 + ... + 678259.

It is an arithmetic number, because the mean of its divisors is an integer number (189517440).

Almost surely, 2^2585678404 is an apocalyptic number.

It is an amenable number.

2585678404 is a deficient number, since it is larger than the sum of its proper divisors (1962740156).

2585678404 is a wasteful number, since it uses less digits than its factorization.

2585678404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4659 (or 4657 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 49.

The square root of 2585678404 is about 50849.5664091642. The cubic root of 2585678404 is about 1372.5394503388.

The spelling of 2585678404 in words is "two billion, five hundred eighty-five million, six hundred seventy-eight thousand, four hundred four".