25912932980 has 192 divisors, whose sum is σ = 64690859520. Its totient is φ = 8622028800.

The previous prime is 25912932979. The next prime is 25912933051. The reversal of 25912932980 is 8923921952.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11419286 + ... + 11421554.

It is an arithmetic number, because the mean of its divisors is an integer number (336931560).

Almost surely, 2^25912932980 is an apocalyptic number.

25912932980 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 25912932980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32345429760).

25912932980 is an abundant number, since it is smaller than the sum of its proper divisors (38777926540).

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

25912932980 is a wasteful number, since it uses less digits than its factorization.

25912932980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410 (or 2408 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 25912932980 in words is "twenty-five billion, nine hundred twelve million, nine hundred thirty-two thousand, nine hundred eighty".