25850668704 has 48 divisors (see below), whose sum is σ = 77552008128. Its totient is φ = 7385905152.

The previous prime is 25850668667. The next prime is 25850668757. The reversal of 25850668704 is 40786605852.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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, 19233457 + ... + 19234800.

It is an arithmetic number, because the mean of its divisors is an integer number (1615666836).

Almost surely, 2^25850668704 is an apocalyptic number.

25850668704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25850668704 is an abundant number, since it is smaller than the sum of its proper divisors (51701339424).

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

25850668704 is a wasteful number, since it uses less digits than its factorization.

25850668704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38468277 (or 38468269 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 25850668704 in words is "twenty-five billion, eight hundred fifty million, six hundred sixty-eight thousand, seven hundred four".