444404703531664 has 10 divisors (see below), whose sum is σ = 861034113092630. Its totient is φ = 222202351765824.

The previous prime is 444404703531643. The next prime is 444404703531731. The reversal of 444404703531664 is 466135307404444.

It can be written as a sum of positive squares in only one way, i.e., 380445337080064 + 63959366451600 = 19505008^2 + 7997460^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13887646985349 + ... + 13887646985380.

It is an arithmetic number, because the mean of its divisors is an integer number (86103411309263).

Almost surely, 2^{444404703531664} is an apocalyptic number.

It is an amenable number.

444404703531664 is a deficient number, since it is larger than the sum of its proper divisors (416629409560966).

444404703531664 is a wasteful number, since it uses less digits than its factorization.

444404703531664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27775293970737 (or 27775293970731 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 55.

The spelling of 444404703531664 in words is "four hundred forty-four trillion, four hundred four billion, seven hundred three million, five hundred thirty-one thousand, six hundred sixty-four".