25488207360 has 640 divisors, whose sum is σ = 112899916800. Its totient is φ = 5295144960.

The previous prime is 25488207331. The next prime is 25488207377. The reversal of 25488207360 is 6370288452.

25488207360 is a `hidden beast` number, since 2 + 5 + 4 + 88 + 207 + 360 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a super-3 number, since 3×25488207360³ (a number of 32 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5319846 + ... + 5324634.

It is an arithmetic number, because the mean of its divisors is an integer number (176406120).

Almost surely, 2^25488207360 is an apocalyptic number.

25488207360 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 25488207360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56449958400).

25488207360 is an abundant number, since it is smaller than the sum of its proper divisors (87411709440).

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

25488207360 is a wasteful number, since it uses less digits than its factorization.

25488207360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4839 (or 4817 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 25488207360 in words is "twenty-five billion, four hundred eighty-eight million, two hundred seven thousand, three hundred sixty".