25288874956800 has 2880 divisors, whose sum is σ = 116495805666240. Its totient is φ = 5279538216960.

The previous prime is 25288874956781. The next prime is 25288874956831. The reversal of 25288874956800 is 865947888252.

It is a happy number.

25288874956800 is a `hidden beast` number, since 2 + 52 + 8 + 8 + 8 + 7 + 4 + 9 + 568 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2880).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 42645657304 + ... + 42645657896.

It is an arithmetic number, because the mean of its divisors is an integer number (40449932523).

Almost surely, 2^{25288874956800} is an apocalyptic number.

25288874956800 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 25288874956800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58247902833120).

25288874956800 is an abundant number, since it is smaller than the sum of its proper divisors (91206930709440).

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

25288874956800 is a wasteful number, since it uses less digits than its factorization.

25288874956800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 619315200, while the sum is 72.

The spelling of 25288874956800 in words is "twenty-five trillion, two hundred eighty-eight billion, eight hundred seventy-four million, nine hundred fifty-six thousand, eight hundred".