444376170431221 has 16 divisors (see below), whose sum is σ = 529952136747264. Its totient is φ = 364324421476224.

The previous prime is 444376170431197. The next prime is 444376170431227. The reversal of 444376170431221 is 122134071673444.

It is a cyclic number.

It is not a de Polignac number, because 444376170431221 - 2⁷ = 444376170431093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444376170431227) 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, 26807710 + ... + 40092463.

It is an arithmetic number, because the mean of its divisors is an integer number (33122008546704).

Almost surely, 2^{444376170431221} is an apocalyptic number.

It is an amenable number.

444376170431221 is a deficient number, since it is larger than the sum of its proper divisors (85575966316043).

444376170431221 is a wasteful number, since it uses less digits than its factorization.

444376170431221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66941460.

The product of its (nonzero) digits is 2709504, while the sum is 49.

The spelling of 444376170431221 in words is "four hundred forty-four trillion, three hundred seventy-six billion, one hundred seventy million, four hundred thirty-one thousand, two hundred twenty-one".