250244133140242 has 4 divisors (see below), whose sum is σ = 375366199710366. Its totient is φ = 125122066570120.

The previous prime is 250244133140237. The next prime is 250244133140297. The reversal of 250244133140242 is 242041331442052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 243974122148241 + 6270010992001 = 15619671^2 + 2503999^2 .

It is a super-2 number, since 2×250244133140242² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62561033285059 + ... + 62561033285062.

Almost surely, 2^{250244133140242} is an apocalyptic number.

250244133140242 is a deficient number, since it is larger than the sum of its proper divisors (125122066570124).

250244133140242 is a wasteful number, since it uses less digits than its factorization.

250244133140242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125122066570123.

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 250244133140242 its reverse (242041331442052), we get a palindrome (492285464582294).

The spelling of 250244133140242 in words is "two hundred fifty trillion, two hundred forty-four billion, one hundred thirty-three million, one hundred forty thousand, two hundred forty-two".