444437438 has 4 divisors (see below), whose sum is σ = 666656160. Its totient is φ = 222218718.

The previous prime is 444437437. The next prime is 444437449. The reversal of 444437438 is 834734444.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 444437395 and 444437404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444437437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111109358 + ... + 111109361.

It is an arithmetic number, because the mean of its divisors is an integer number (166664040).

Almost surely, 2^444437438 is an apocalyptic number.

444437438 is a deficient number, since it is larger than the sum of its proper divisors (222218722).

444437438 is a wasteful number, since it uses less digits than its factorization.

444437438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222218721.

The product of its digits is 516096, while the sum is 41.

The square root of 444437438 is about 21081.6848947137. The cubic root of 444437438 is about 763.1388181594.

The spelling of 444437438 in words is "four hundred forty-four million, four hundred thirty-seven thousand, four hundred thirty-eight".