25502848560 has 240 divisors, whose sum is σ = 97978520640. Its totient is φ = 5823498240.

The previous prime is 25502848541. The next prime is 25502848583. The reversal of 25502848560 is 6584820552.

It is a happy number.

25502848560 is a `hidden beast` number, since 2 + 5 + 5 + 0 + 2 + 84 + 8 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7200390 + ... + 7203930.

It is an arithmetic number, because the mean of its divisors is an integer number (408243836).

Almost surely, 2^25502848560 is an apocalyptic number.

25502848560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25502848560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48989260320).

25502848560 is an abundant number, since it is smaller than the sum of its proper divisors (72475672080).

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

25502848560 is a wasteful number, since it uses less digits than its factorization.

25502848560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4996 (or 4987 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 45.

The spelling of 25502848560 in words is "twenty-five billion, five hundred two million, eight hundred forty-eight thousand, five hundred sixty".