25723686912 has 416 divisors, whose sum is σ = 88371585024. Its totient is φ = 6458572800.

The previous prime is 25723686907. The next prime is 25723686931. The reversal of 25723686912 is 21968632752.

It is a happy number.

It is a zygodrome in base 4.

It is a congruent number.

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, 29331018 + ... + 29331894.

Almost surely, 2^25723686912 is an apocalyptic number.

25723686912 is a gapful number since it is divisible by the number (22) 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 25723686912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44185792512).

25723686912 is an abundant number, since it is smaller than the sum of its proper divisors (62647898112).

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

25723686912 is a wasteful number, since it uses less digits than its factorization.

25723686912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953 (or 931 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The spelling of 25723686912 in words is "twenty-five billion, seven hundred twenty-three million, six hundred eighty-six thousand, nine hundred twelve".