444678127663057 has 16 divisors (see below), whose sum is σ = 447933919104000. Its totient is φ = 441433698122304.

The previous prime is 444678127663051. The next prime is 444678127663093. The reversal of 444678127663057 is 750366721876444.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444678127663057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444678127663051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2371915119 + ... + 2372102587.

It is an arithmetic number, because the mean of its divisors is an integer number (27995869944000).

Almost surely, 2^{444678127663057} is an apocalyptic number.

It is an amenable number.

444678127663057 is a deficient number, since it is larger than the sum of its proper divisors (3255791440943).

444678127663057 is a wasteful number, since it uses less digits than its factorization.

444678127663057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217680.

The product of its (nonzero) digits is 1137991680, while the sum is 70.

The spelling of 444678127663057 in words is "four hundred forty-four trillion, six hundred seventy-eight billion, one hundred twenty-seven million, six hundred sixty-three thousand, fifty-seven".