444354421642 has 8 divisors (see below), whose sum is σ = 666535680000. Its totient is φ = 222175861644.

The previous prime is 444354421633. The next prime is 444354421669. The reversal of 444354421642 is 246124453444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194592 + ... + 962587.

It is an arithmetic number, because the mean of its divisors is an integer number (83316960000).

Almost surely, 2^444354421642 is an apocalyptic number.

444354421642 is a deficient number, since it is larger than the sum of its proper divisors (222181258358).

444354421642 is a wasteful number, since it uses less digits than its factorization.

444354421642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349180.

The product of its digits is 1474560, while the sum is 43.

The spelling of 444354421642 in words is "four hundred forty-four billion, three hundred fifty-four million, four hundred twenty-one thousand, six hundred forty-two".