444206664665242 has 16 divisors (see below), whose sum is σ = 677435694769152. Its totient is φ = 218396944721520.

The previous prime is 444206664665207. The next prime is 444206664665261. The reversal of 444206664665242 is 242566466602444.

It is a Harshad number since it is a multiple of its sum of digits (61).

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 in 7 ways as a sum of consecutive naturals, for example, 544168618 + ... + 544984309.

It is an arithmetic number, because the mean of its divisors is an integer number (42339730923072).

Almost surely, 2^{444206664665242} is an apocalyptic number.

444206664665242 is a deficient number, since it is larger than the sum of its proper divisors (233229030103910).

444206664665242 is a wasteful number, since it uses less digits than its factorization.

444206664665242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089156333.

The product of its (nonzero) digits is 318504960, while the sum is 61.

The spelling of 444206664665242 in words is "four hundred forty-four trillion, two hundred six billion, six hundred sixty-four million, six hundred sixty-five thousand, two hundred forty-two".