25340256160 has 24 divisors (see below), whose sum is σ = 59866355556. Its totient is φ = 10136102400.

The previous prime is 25340256089. The next prime is 25340256163. The reversal of 25340256160 is 6165204352.

It can be written as a sum of positive squares in 2 ways, for example, as 24657792784 + 682463376 = 157028^2 + 26124^2 .

It is not an unprimeable number, because it can be changed into a prime (25340256163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79188141 + ... + 79188460.

Almost surely, 2^25340256160 is an apocalyptic number.

25340256160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25340256160 is an abundant number, since it is smaller than the sum of its proper divisors (34526099396).

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

25340256160 is a wasteful number, since it uses less digits than its factorization.

25340256160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158376616 (or 158376608 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 25340256160 in words is "twenty-five billion, three hundred forty million, two hundred fifty-six thousand, one hundred sixty".