444474433 has 8 divisors (see below), whose sum is σ = 478860200. Its totient is φ = 410116608.

The previous prime is 444474427. The next prime is 444474509. The reversal of 444474433 is 334474444.

It can be written as a sum of positive squares in 4 ways, for example, as 52751169 + 391723264 = 7263^2 + 19792^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444474433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 444474392 and 444474401.

It is not an unprimeable number, because it can be changed into a prime (444474403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35803 + ... + 46591.

It is an arithmetic number, because the mean of its divisors is an integer number (59857525).

Almost surely, 2^444474433 is an apocalyptic number.

It is an amenable number.

444474433 is a deficient number, since it is larger than the sum of its proper divisors (34385767).

444474433 is a wasteful number, since it uses less digits than its factorization.

444474433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13971.

The product of its digits is 258048, while the sum is 37.

The square root of 444474433 is about 21082.5622968367. The cubic root of 444474433 is about 763.1599921462.

The spelling of 444474433 in words is "four hundred forty-four million, four hundred seventy-four thousand, four hundred thirty-three".