25602542260 has 48 divisors (see below), whose sum is σ = 55867456512. Its totient is φ = 9844992000.

The previous prime is 25602542243. The next prime is 25602542263. The reversal of 25602542260 is 6224520652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25602542263) 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 15 ways as a sum of consecutive naturals, for example, 43117 + ... + 230356.

It is an arithmetic number, because the mean of its divisors is an integer number (1163905344).

Almost surely, 2^25602542260 is an apocalyptic number.

25602542260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25602542260 is an abundant number, since it is smaller than the sum of its proper divisors (30264914252).

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

25602542260 is a wasteful number, since it uses less digits than its factorization.

25602542260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273664 (or 273662 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 25602542260 in words is "twenty-five billion, six hundred two million, five hundred forty-two thousand, two hundred sixty".