25233930810 has 160 divisors (see below), whose sum is σ = 76021051392. Its totient is φ = 5951905920.

The previous prime is 25233930809. The next prime is 25233930823. The reversal of 25233930810 is 1803933252.

25233930810 is a `hidden beast` number, since 2 + 5 + 2 + 339 + 308 + 10 = 666.

It is a super-2 number, since 2×25233930810² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 291399 + ... + 367941.

Almost surely, 2^25233930810 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25233930810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38010525696).

25233930810 is an abundant number, since it is smaller than the sum of its proper divisors (50787120582).

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

25233930810 is a wasteful number, since it uses less digits than its factorization.

25233930810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76610 (or 76601 counting only the distinct ones).

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

The spelling of 25233930810 in words is "twenty-five billion, two hundred thirty-three million, nine hundred thirty thousand, eight hundred ten".