25258922830 has 128 divisors (see below), whose sum is σ = 51693852672. Its totient is φ = 8840337408.

The previous prime is 25258922809. The next prime is 25258922837. The reversal of 25258922830 is 3822985252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25258922837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12711097 + ... + 12713083.

It is an arithmetic number, because the mean of its divisors is an integer number (403858224).

Almost surely, 2^25258922830 is an apocalyptic number.

25258922830 is an abundant number, since it is smaller than the sum of its proper divisors (26434929842).

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

25258922830 is a wasteful number, since it uses less digits than its factorization.

25258922830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138.

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 25258922830 in words is "twenty-five billion, two hundred fifty-eight million, nine hundred twenty-two thousand, eight hundred thirty".