25259682980 has 96 divisors (see below), whose sum is σ = 61729274880. Its totient is φ = 8502837120.

The previous prime is 25259682887. The next prime is 25259682997. The reversal of 25259682980 is 8928695252.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9010259 + ... + 9013061.

It is an arithmetic number, because the mean of its divisors is an integer number (643013280).

Almost surely, 2^25259682980 is an apocalyptic number.

25259682980 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 25259682980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30864637440).

25259682980 is an abundant number, since it is smaller than the sum of its proper divisors (36469591900).

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

25259682980 is a wasteful number, since it uses less digits than its factorization.

25259682980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3969 (or 3967 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 56.

The spelling of 25259682980 in words is "twenty-five billion, two hundred fifty-nine million, six hundred eighty-two thousand, nine hundred eighty".