25502405230 has 16 divisors (see below), whose sum is σ = 45906517440. Its totient is φ = 10200475872.

The previous prime is 25502405209. The next prime is 25502405287. The reversal of 25502405230 is 3250420552.

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 7 ways as a sum of consecutive naturals, for example, 222292 + ... + 316888.

It is an arithmetic number, because the mean of its divisors is an integer number (2869157340).

Almost surely, 2^25502405230 is an apocalyptic number.

25502405230 is a deficient number, since it is larger than the sum of its proper divisors (20404112210).

25502405230 is a wasteful number, since it uses less digits than its factorization.

25502405230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121563.

The product of its (nonzero) digits is 12000, while the sum is 28.

Adding to 25502405230 its reverse (3250420552), we get a palindrome (28752825782).

The spelling of 25502405230 in words is "twenty-five billion, five hundred two million, four hundred five thousand, two hundred thirty".