25540581230 has 8 divisors (see below), whose sum is σ = 45973046232. Its totient is φ = 10216232488.

The previous prime is 25540581229. The next prime is 25540581257. The reversal of 25540581230 is 3218504552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277029052 + ... + 1277029071.

It is an arithmetic number, because the mean of its divisors is an integer number (5746630779).

Almost surely, 2^25540581230 is an apocalyptic number.

25540581230 is a deficient number, since it is larger than the sum of its proper divisors (20432465002).

25540581230 is a wasteful number, since it uses less digits than its factorization.

25540581230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554058130.

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 25540581230 in words is "twenty-five billion, five hundred forty million, five hundred eighty-one thousand, two hundred thirty".