25247846880 has 384 divisors, whose sum is σ = 91341250560. Its totient is φ = 6508615680.

The previous prime is 25247846851. The next prime is 25247846903. The reversal of 25247846880 is 8864874252.

25247846880 is a `hidden beast` number, since 2 + 52 + 478 + 46 + 8 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 30529027 + ... + 30529853.

It is an arithmetic number, because the mean of its divisors is an integer number (237867840).

Almost surely, 2^25247846880 is an apocalyptic number.

25247846880 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 25247846880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45670625280).

25247846880 is an abundant number, since it is smaller than the sum of its proper divisors (66093403680).

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

25247846880 is a wasteful number, since it uses less digits than its factorization.

25247846880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079 (or 1065 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 54.

The spelling of 25247846880 in words is "twenty-five billion, two hundred forty-seven million, eight hundred forty-six thousand, eight hundred eighty".