242442200055444 has 24 divisors (see below), whose sum is σ = 566227651547040. Its totient is φ = 80738468863584.

The previous prime is 242442200055443. The next prime is 242442200055521. The reversal of 242442200055444 is 444550002244242.

It is a junction number, because it is equal to n+sod(n) for n = 242442200055396 and 242442200055405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242442200055443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9449714334 + ... + 9449739989.

It is an arithmetic number, because the mean of its divisors is an integer number (23592818814460).

Almost surely, 2^{242442200055444} is an apocalyptic number.

It is an amenable number.

242442200055444 is an abundant number, since it is smaller than the sum of its proper divisors (323785451491596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242442200055444 is a wasteful number, since it uses less digits than its factorization.

242442200055444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18899455399 (or 18899455397 counting only the distinct ones).

The product of its (nonzero) digits is 1638400, while the sum is 42.

Adding to 242442200055444 its reverse (444550002244242), we get a palindrome (686992202299686).

The spelling of 242442200055444 in words is "two hundred forty-two trillion, four hundred forty-two billion, two hundred million, fifty-five thousand, four hundred forty-four".