25756348016 has 80 divisors (see below), whose sum is σ = 61970319360. Its totient is φ = 10120101120.

The previous prime is 25756348003. The next prime is 25756348027. The reversal of 25756348016 is 61084365752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129251 + ... + 261186.

It is an arithmetic number, because the mean of its divisors is an integer number (774628992).

Almost surely, 2^25756348016 is an apocalyptic number.

It is an amenable number.

25756348016 is an abundant number, since it is smaller than the sum of its proper divisors (36213971344).

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

25756348016 is a wasteful number, since it uses less digits than its factorization.

25756348016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390502 (or 390496 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 25756348016 in words is "twenty-five billion, seven hundred fifty-six million, three hundred forty-eight thousand, sixteen".