25567476480 has 864 divisors, whose sum is σ = 112763064960. Its totient is φ = 5208440832.

The previous prime is 25567476469. The next prime is 25567476491. The reversal of 25567476480 is 8467476552.

It is a happy number.

25567476480 is a `hidden beast` number, since 2 + 5 + 567 + 4 + 76 + 4 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (25567476469) and next prime (25567476491).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 881637106 + ... + 881637134.

Almost surely, 2^25567476480 is an apocalyptic number.

25567476480 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 25567476480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56381532480).

25567476480 is an abundant number, since it is smaller than the sum of its proper divisors (87195588480).

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

25567476480 is an equidigital number, since it uses as much as digits as its factorization.

25567476480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 54.

The spelling of 25567476480 in words is "twenty-five billion, five hundred sixty-seven million, four hundred seventy-six thousand, four hundred eighty".