544220242442 has 4 divisors (see below), whose sum is σ = 816330363666. Its totient is φ = 272110121220.

The previous prime is 544220242441. The next prime is 544220242547. The reversal of 544220242442 is 244242022445.

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., 520145306521 + 24074935921 = 721211^2 + 155161^2 .

It is not an unprimeable number, because it can be changed into a prime (544220242441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136055060609 + ... + 136055060612.

Almost surely, 2^544220242442 is an apocalyptic number.

544220242442 is a deficient number, since it is larger than the sum of its proper divisors (272110121224).

544220242442 is a wasteful number, since it uses less digits than its factorization.

544220242442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272110121223.

The product of its (nonzero) digits is 163840, while the sum is 35.

Adding to 544220242442 its reverse (244242022445), we get a palindrome (788462264887).

The spelling of 544220242442 in words is "five hundred forty-four billion, two hundred twenty million, two hundred forty-two thousand, four hundred forty-two".