25620430896 has 70 divisors (see below), whose sum is σ = 74425364820. Its totient is φ = 8540139744.

The previous prime is 25620430883. The next prime is 25620430909. The reversal of 25620430896 is 69803402652.

25620430896 is a `hidden beast` number, since 2 + 56 + 204 + 308 + 96 = 666.

It is an interprime number because it is at equal distance from previous prime (25620430883) and next prime (25620430909).

It is a super-2 number, since 2×25620430896² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1086606 + ... + 1109933.

Almost surely, 2^25620430896 is an apocalyptic number.

It is an amenable number.

25620430896 is an abundant number, since it is smaller than the sum of its proper divisors (48804933924).

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

25620430896 is an equidigital number, since it uses as much as digits as its factorization.

25620430896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196565 (or 2196544 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 25620430896 in words is "twenty-five billion, six hundred twenty million, four hundred thirty thousand, eight hundred ninety-six".