444140324 has 6 divisors (see below), whose sum is σ = 777245574. Its totient is φ = 222070160.

The previous prime is 444140297. The next prime is 444140357. The reversal of 444140324 is 423041444.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 250652224 + 193488100 = 15832^2 + 13910^2 .

It is a junction number, because it is equal to n+sod(n) for n = 444140293 and 444140302.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 55517537 + ... + 55517544.

It is an arithmetic number, because the mean of its divisors is an integer number (129540929).

Almost surely, 2^444140324 is an apocalyptic number.

It is an amenable number.

444140324 is a deficient number, since it is larger than the sum of its proper divisors (333105250).

444140324 is a wasteful number, since it uses less digits than its factorization.

444140324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111035085 (or 111035083 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 444140324 is about 21074.6369838249. The cubic root of 444140324 is about 762.9687231490.

Adding to 444140324 its reverse (423041444), we get a palindrome (867181768).

The spelling of 444140324 in words is "four hundred forty-four million, one hundred forty thousand, three hundred twenty-four".