25961476704 has 24 divisors (see below), whose sum is σ = 68148876600. Its totient is φ = 8653825536.

The previous prime is 25961476703. The next prime is 25961476727. The reversal of 25961476704 is 40767416952.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25961476703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135215929 + ... + 135216120.

It is an arithmetic number, because the mean of its divisors is an integer number (2839536525).

Almost surely, 2^25961476704 is an apocalyptic number.

25961476704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25961476704 is an abundant number, since it is smaller than the sum of its proper divisors (42187399896).

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

25961476704 is a wasteful number, since it uses less digits than its factorization.

25961476704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270432062 (or 270432054 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 25961476704 in words is "twenty-five billion, nine hundred sixty-one million, four hundred seventy-six thousand, seven hundred four".