444668899046401 has 8 divisors (see below), whose sum is σ = 470826110971944. Its totient is φ = 418511711328000.

The previous prime is 444668899046357. The next prime is 444668899046431. The reversal of 444668899046401 is 104640998866444.

It can be written as a sum of positive squares in 4 ways, for example, as 69907658766400 + 374761240280001 = 8361080^2 + 19358751^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 444668899046401 - 2²³ = 444668890657793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444668899046431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43236991 + ... + 52524043.

It is an arithmetic number, because the mean of its divisors is an integer number (58853263871493).

Almost surely, 2^{444668899046401} is an apocalyptic number.

It is an amenable number.

444668899046401 is a deficient number, since it is larger than the sum of its proper divisors (26157211925543).

444668899046401 is a wasteful number, since it uses less digits than its factorization.

444668899046401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12103571.

The product of its (nonzero) digits is 1146617856, while the sum is 73.

The spelling of 444668899046401 in words is "four hundred forty-four trillion, six hundred sixty-eight billion, eight hundred ninety-nine million, forty-six thousand, four hundred one".