25980381076 has 24 divisors (see below), whose sum is σ = 49033951904. Its totient is φ = 11973575520.

The previous prime is 25980381023. The next prime is 25980381109. The reversal of 25980381076 is 67018308952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325590 + ... + 397453.

Almost surely, 2^25980381076 is an apocalyptic number.

25980381076 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

25980381076 is a deficient number, since it is larger than the sum of its proper divisors (23053570828).

25980381076 is a wasteful number, since it uses less digits than its factorization.

25980381076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723751 (or 723749 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 25980381076 in words is "twenty-five billion, nine hundred eighty million, three hundred eighty-one thousand, seventy-six".