250242044553 has 6 divisors (see below), whose sum is σ = 361460731034. Its totient is φ = 166828029696.

The previous prime is 250242044491. The next prime is 250242044557. The reversal of 250242044553 is 355440242052.

250242044553 is a `hidden beast` number, since 25 + 0 + 2 + 42 + 0 + 44 + 553 = 666.

It can be written as a sum of positive squares in only one way, i.e., 130918777929 + 119323266624 = 361827^2 + 345432^2 .

It is not a de Polignac number, because 250242044553 - 2¹⁰ = 250242043529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (250242044557) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 13902335800 + ... + 13902335817.

Almost surely, 2^250242044553 is an apocalyptic number.

It is an amenable number.

250242044553 is a deficient number, since it is larger than the sum of its proper divisors (111218686481).

250242044553 is a wasteful number, since it uses less digits than its factorization.

250242044553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27804671623 (or 27804671620 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

The spelling of 250242044553 in words is "two hundred fifty billion, two hundred forty-two million, forty-four thousand, five hundred fifty-three".