44221112042 has 4 divisors (see below), whose sum is σ = 66331668066. Its totient is φ = 22110556020.

The previous prime is 44221112017. The next prime is 44221112059. The reversal of 44221112042 is 24021112244.

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., 41342682241 + 2878429801 = 203329^2 + 53651^2 .

It is a super-2 number, since 2×44221112042² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44221111999 and 44221112017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055278009 + ... + 11055278012.

Almost surely, 2^44221112042 is an apocalyptic number.

44221112042 is a deficient number, since it is larger than the sum of its proper divisors (22110556024).

44221112042 is a wasteful number, since it uses less digits than its factorization.

44221112042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22110556023.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 44221112042 its reverse (24021112244), we get a palindrome (68242224286).

The spelling of 44221112042 in words is "forty-four billion, two hundred twenty-one million, one hundred twelve thousand, forty-two".