25389412580 has 48 divisors (see below), whose sum is σ = 62581483776. Its totient is φ = 8469671040.

The previous prime is 25389412567. The next prime is 25389412589. The reversal of 25389412580 is 8521498352.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25389412589) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2445536 + ... + 2455895.

It is an arithmetic number, because the mean of its divisors is an integer number (1303780912).

Almost surely, 2^25389412580 is an apocalyptic number.

25389412580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25389412580 is an abundant number, since it is smaller than the sum of its proper divisors (37192071196).

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

25389412580 is a wasteful number, since it uses less digits than its factorization.

25389412580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4901484 (or 4901482 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 25389412580 in words is "twenty-five billion, three hundred eighty-nine million, four hundred twelve thousand, five hundred eighty".