25830000936 has 96 divisors (see below), whose sum is σ = 71652672000. Its totient is φ = 8402279040.

The previous prime is 25830000929. The next prime is 25830000941. The reversal of 25830000936 is 63900003852.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 25830000936.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1170081 + ... + 1191951.

It is an arithmetic number, because the mean of its divisors is an integer number (746382000).

Almost surely, 2^25830000936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25830000936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35826336000).

25830000936 is an abundant number, since it is smaller than the sum of its proper divisors (45822671064).

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

25830000936 is a wasteful number, since it uses less digits than its factorization.

25830000936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22279 (or 22272 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 25830000936 in words is "twenty-five billion, eight hundred thirty million, nine hundred thirty-six", and thus it is an aban number.