25265385670 has 64 divisors (see below), whose sum is σ = 53001962496. Its totient is φ = 8491466880.

The previous prime is 25265385653. The next prime is 25265385751. The reversal of 25265385670 is 7658356252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5603557 + ... + 5608063.

It is an arithmetic number, because the mean of its divisors is an integer number (828155664).

Almost surely, 2^25265385670 is an apocalyptic number.

25265385670 is an abundant number, since it is smaller than the sum of its proper divisors (27736576826).

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

25265385670 is a wasteful number, since it uses less digits than its factorization.

25265385670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6085.

The product of its (nonzero) digits is 3024000, while the sum is 49.

The spelling of 25265385670 in words is "twenty-five billion, two hundred sixty-five million, three hundred eighty-five thousand, six hundred seventy".