250505250830 has 32 divisors (see below), whose sum is σ = 481192897536. Its totient is φ = 93565269504.

The previous prime is 250505250817. The next prime is 250505250857. The reversal of 250505250830 is 38052505052.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 5779829 + ... + 5823008.

It is an arithmetic number, because the mean of its divisors is an integer number (15037278048).

Almost surely, 2^250505250830 is an apocalyptic number.

250505250830 is a deficient number, since it is larger than the sum of its proper divisors (230687646706).

250505250830 is a wasteful number, since it uses less digits than its factorization.

250505250830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11602988.

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 250505250830 its reverse (38052505052), we get a palindrome (288557755882).

The spelling of 250505250830 in words is "two hundred fifty billion, five hundred five million, two hundred fifty thousand, eight hundred thirty".