25843332580 has 96 divisors (see below), whose sum is σ = 60283077120. Its totient is φ = 9246220800.

The previous prime is 25843332577. The next prime is 25843332589. The reversal of 25843332580 is 8523334852.

It is not an unprimeable number, because it can be changed into a prime (25843332589) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1223751 + ... + 1244689.

It is an arithmetic number, because the mean of its divisors is an integer number (627948720).

Almost surely, 2^25843332580 is an apocalyptic number.

25843332580 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 25843332580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30141538560).

25843332580 is an abundant number, since it is smaller than the sum of its proper divisors (34439744540).

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

25843332580 is a wasteful number, since it uses less digits than its factorization.

25843332580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21109 (or 21107 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 25843332580 in words is "twenty-five billion, eight hundred forty-three million, three hundred thirty-two thousand, five hundred eighty".