444381414 has 8 divisors (see below), whose sum is σ = 888762840. Its totient is φ = 148127136.

The previous prime is 444381407. The next prime is 444381491. The reversal of 444381414 is 414183444.

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

444381414 is an admirable number.

It is a super-2 number, since 2×444381414² = 394949682217278792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37031779 + ... + 37031790.

It is an arithmetic number, because the mean of its divisors is an integer number (111095355).

Almost surely, 2^444381414 is an apocalyptic number.

444381414 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444381414 is a wasteful number, since it uses less digits than its factorization.

444381414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74063574.

The product of its digits is 24576, while the sum is 33.

The square root of 444381414 is about 21080.3561165366. The cubic root of 444381414 is about 763.1067507396.

The spelling of 444381414 in words is "four hundred forty-four million, three hundred eighty-one thousand, four hundred fourteen".