444459447990384 has 80 divisors (see below), whose sum is σ = 1150713671992320. Its totient is φ = 147827384801280.

The previous prime is 444459447990359. The next prime is 444459447990413. The reversal of 444459447990384 is 483099744954444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48553632 + ... + 56976960.

It is an arithmetic number, because the mean of its divisors is an integer number (14383920899904).

Almost surely, 2^{444459447990384} is an apocalyptic number.

It is an amenable number.

444459447990384 is an abundant number, since it is smaller than the sum of its proper divisors (706254224001936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444459447990384 is a wasteful number, since it uses less digits than its factorization.

444459447990384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8425758 (or 8425752 counting only the distinct ones).

The product of its (nonzero) digits is 10032906240, while the sum is 78.

The spelling of 444459447990384 in words is "four hundred forty-four trillion, four hundred fifty-nine billion, four hundred forty-seven million, nine hundred ninety thousand, three hundred eighty-four".