25936673980 has 48 divisors (see below), whose sum is σ = 62595832320. Its totient is φ = 8842886208.

The previous prime is 25936673963. The next prime is 25936673989. The reversal of 25936673980 is 8937663952.

It is a super-2 number, since 2×25936673980² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25936673989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492432 + ... + 542551.

It is an arithmetic number, because the mean of its divisors is an integer number (1304079840).

Almost surely, 2^25936673980 is an apocalyptic number.

25936673980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25936673980 is an abundant number, since it is smaller than the sum of its proper divisors (36659158340).

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

25936673980 is a wasteful number, since it uses less digits than its factorization.

25936673980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035178 (or 1035176 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 58.

The spelling of 25936673980 in words is "twenty-five billion, nine hundred thirty-six million, six hundred seventy-three thousand, nine hundred eighty".