25655652032 has 56 divisors (see below), whose sum is σ = 51405934272. Its totient is φ = 12703392000.

The previous prime is 25655652019. The next prime is 25655652047. The reversal of 25655652032 is 23025655652.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4381907 + ... + 4387757.

It is an arithmetic number, because the mean of its divisors is an integer number (917963112).

Almost surely, 2^25655652032 is an apocalyptic number.

It is an amenable number.

25655652032 is an abundant number, since it is smaller than the sum of its proper divisors (25750282240).

25655652032 is a wasteful number, since it uses less digits than its factorization.

25655652032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6517 (or 6507 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 25655652032 in words is "twenty-five billion, six hundred fifty-five million, six hundred fifty-two thousand, thirty-two".