244155504242 has 8 divisors (see below), whose sum is σ = 394405045356. Its totient is φ = 112687155792.

The previous prime is 244155504239. The next prime is 244155504323. The reversal of 244155504242 is 242405551442.

It can be written as a sum of positive squares in 2 ways, for example, as 183433180681 + 60722323561 = 428291^2 + 246419^2 .

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

It is a super-2 number, since 2×244155504242² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244155504196 and 244155504205.

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, 4695298133 + ... + 4695298184.

Almost surely, 2^244155504242 is an apocalyptic number.

244155504242 is a deficient number, since it is larger than the sum of its proper divisors (150249541114).

244155504242 is a wasteful number, since it uses less digits than its factorization.

244155504242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9390596332.

The product of its (nonzero) digits is 256000, while the sum is 38.

The spelling of 244155504242 in words is "two hundred forty-four billion, one hundred fifty-five million, five hundred four thousand, two hundred forty-two".