44642216426 has 4 divisors (see below), whose sum is σ = 66963324642. Its totient is φ = 22321108212.

The previous prime is 44642216419. The next prime is 44642216477. The reversal of 44642216426 is 62461224644.

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., 44405025625 + 237190801 = 210725^2 + 15401^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 11160554105 + ... + 11160554108.

Almost surely, 2^44642216426 is an apocalyptic number.

44642216426 is a deficient number, since it is larger than the sum of its proper divisors (22321108216).

44642216426 is a wasteful number, since it uses less digits than its factorization.

44642216426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22321108215.

The product of its digits is 442368, while the sum is 41.

The spelling of 44642216426 in words is "forty-four billion, six hundred forty-two million, two hundred sixteen thousand, four hundred twenty-six".