25936191030 has 32 divisors (see below), whose sum is σ = 62399080800. Its totient is φ = 6899404032.

The previous prime is 25936190899. The next prime is 25936191059. The reversal of 25936191030 is 3019163952.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25936191030.

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 15 ways as a sum of consecutive naturals, for example, 1044625 + ... + 1069164.

It is an arithmetic number, because the mean of its divisors is an integer number (1949971275).

Almost surely, 2^25936191030 is an apocalyptic number.

25936191030 is an abundant number, since it is smaller than the sum of its proper divisors (36462889770).

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

25936191030 is a wasteful number, since it uses less digits than its factorization.

25936191030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114208.

The product of its (nonzero) digits is 43740, while the sum is 39.

The spelling of 25936191030 in words is "twenty-five billion, nine hundred thirty-six million, one hundred ninety-one thousand, thirty".