25380443712 has 56 divisors (see below), whose sum is σ = 72318002176. Its totient is φ = 7809366528.

The previous prime is 25380443701. The next prime is 25380443717. The reversal of 25380443712 is 21734408352.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (25380443717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5081728 + ... + 5086719.

It is an arithmetic number, because the mean of its divisors is an integer number (1291392896).

Almost surely, 2^25380443712 is an apocalyptic number.

It is an amenable number.

25380443712 is an abundant number, since it is smaller than the sum of its proper divisors (46937558464).

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

25380443712 is a wasteful number, since it uses less digits than its factorization.

25380443712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10168475 (or 10168465 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 25380443712 in words is "twenty-five billion, three hundred eighty million, four hundred forty-three thousand, seven hundred twelve".