44642042220266 has 4 divisors (see below), whose sum is σ = 66963063330402. Its totient is φ = 22321021110132.

The previous prime is 44642042220233. The next prime is 44642042220289. The reversal of 44642042220266 is 66202224024644.

It is a happy number.

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., 35018924747041 + 9623117473225 = 5917679^2 + 3102115^2 .

It is a super-2 number, since 2×44642042220266² (a number of 28 digits) contains 22 as substring.

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, 11160510555065 + ... + 11160510555068.

Almost surely, 2^{44642042220266} is an apocalyptic number.

44642042220266 is a deficient number, since it is larger than the sum of its proper divisors (22321021110136).

44642042220266 is a wasteful number, since it uses less digits than its factorization.

44642042220266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22321021110135.

The product of its (nonzero) digits is 1769472, while the sum is 44.

The spelling of 44642042220266 in words is "forty-four trillion, six hundred forty-two billion, forty-two million, two hundred twenty thousand, two hundred sixty-six".