25786496 has 64 divisors (see below), whose sum is σ = 56548800. Its totient is φ = 11658240.

The previous prime is 25786493. The next prime is 25786529. The reversal of 25786496 is 69468752.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 25786496.

It is not an unprimeable number, because it can be changed into a prime (25786493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55706 + ... + 56166.

It is an arithmetic number, because the mean of its divisors is an integer number (883575).

Almost surely, 2^25786496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25786496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28274400).

25786496 is an abundant number, since it is smaller than the sum of its proper divisors (30762304).

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

25786496 is a wasteful number, since it uses less digits than its factorization.

25786496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 505 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 25786496 is about 5078.0405669904. The cubic root of 25786496 is about 295.4364734896.

The spelling of 25786496 in words is "twenty-five million, seven hundred eighty-six thousand, four hundred ninety-six".