444517350722644 has 6 divisors (see below), whose sum is σ = 777905363764634. Its totient is φ = 222258675361320.

The previous prime is 444517350722623. The next prime is 444517350722659. The reversal of 444517350722644 is 446227053715444.

It can be written as a sum of positive squares in only one way, i.e., 439935439231044 + 4581911491600 = 20974638^2 + 2140540^2 .

It is a congruent number.

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, 55564668840327 + ... + 55564668840334.

Almost surely, 2^{444517350722644} is an apocalyptic number.

It is an amenable number.

444517350722644 is a deficient number, since it is larger than the sum of its proper divisors (333388013041990).

444517350722644 is a wasteful number, since it uses less digits than its factorization.

444517350722644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111129337680665 (or 111129337680663 counting only the distinct ones).

The product of its (nonzero) digits is 90316800, while the sum is 58.

The spelling of 444517350722644 in words is "four hundred forty-four trillion, five hundred seventeen billion, three hundred fifty million, seven hundred twenty-two thousand, six hundred forty-four".