25885970382 has 32 divisors (see below), whose sum is σ = 52498787328. Its totient is φ = 8507595456.

The previous prime is 25885970351. The next prime is 25885970387. The reversal of 25885970382 is 28307958852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25885970387) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1587523 + ... + 1603745.

It is an arithmetic number, because the mean of its divisors is an integer number (1640587104).

Almost surely, 2^25885970382 is an apocalyptic number.

25885970382 is an abundant number, since it is smaller than the sum of its proper divisors (26612816946).

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

25885970382 is a wasteful number, since it uses less digits than its factorization.

25885970382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19944.

The product of its (nonzero) digits is 9676800, while the sum is 57.

The spelling of 25885970382 in words is "twenty-five billion, eight hundred eighty-five million, nine hundred seventy thousand, three hundred eighty-two".