25605224960 has 80 divisors (see below), whose sum is σ = 70162937856. Its totient is φ = 8778928128.

The previous prime is 25605224933. The next prime is 25605224963. The reversal of 25605224960 is 6942250652.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (25605224963) 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, 696512 + ... + 732351.

Almost surely, 2^25605224960 is an apocalyptic number.

25605224960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25605224960 is an abundant number, since it is smaller than the sum of its proper divisors (44557712896).

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

25605224960 is an equidigital number, since it uses as much as digits as its factorization.

25605224960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428893 (or 1428877 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 25605224960 in words is "twenty-five billion, six hundred five million, two hundred twenty-four thousand, nine hundred sixty".