444651004662472 has 8 divisors (see below), whose sum is σ = 833720633742150. Its totient is φ = 222325502331232.

The previous prime is 444651004662457. The next prime is 444651004662493. The reversal of 444651004662472 is 274266400156444.

It can be written as a sum of positive squares in only one way, i.e., 227807886009636 + 216843118652836 = 15093306^2 + 14725594^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27790687791397 + ... + 27790687791412.

Almost surely, 2^{444651004662472} is an apocalyptic number.

It is an amenable number.

444651004662472 is a deficient number, since it is larger than the sum of its proper divisors (389069629079678).

444651004662472 is a wasteful number, since it uses less digits than its factorization.

444651004662472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55581375582815 (or 55581375582811 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 55.

The spelling of 444651004662472 in words is "four hundred forty-four trillion, six hundred fifty-one billion, four million, six hundred sixty-two thousand, four hundred seventy-two".