25256789414 has 16 divisors (see below), whose sum is σ = 40851805680. Its totient is φ = 11671943040.

The previous prime is 25256789351. The next prime is 25256789429. The reversal of 25256789414 is 41498765252.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8103959 + ... + 8107074.

It is an arithmetic number, because the mean of its divisors is an integer number (2553237855).

Almost surely, 2^25256789414 is an apocalyptic number.

25256789414 is a deficient number, since it is larger than the sum of its proper divisors (15595016266).

25256789414 is a wasteful number, since it uses less digits than its factorization.

25256789414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16211095.

The product of its digits is 4838400, while the sum is 53.

The spelling of 25256789414 in words is "twenty-five billion, two hundred fifty-six million, seven hundred eighty-nine thousand, four hundred fourteen".