444240434 has 16 divisors (see below), whose sum is σ = 729776736. Its totient is φ = 201139200.

The previous prime is 444240431. The next prime is 444240451. The reversal of 444240434 is 434042444.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 444240397 and 444240406.

It is not an unprimeable number, because it can be changed into a prime (444240431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33632 + ... + 44939.

It is an arithmetic number, because the mean of its divisors is an integer number (45611046).

Almost surely, 2^444240434 is an apocalyptic number.

444240434 is a deficient number, since it is larger than the sum of its proper divisors (285536302).

444240434 is a wasteful number, since it uses less digits than its factorization.

444240434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78841.

The product of its (nonzero) digits is 24576, while the sum is 29.

The square root of 444240434 is about 21077.0119798799. The cubic root of 444240434 is about 763.0260436674.

Adding to 444240434 its reverse (434042444), we get a palindrome (878282878).

The spelling of 444240434 in words is "four hundred forty-four million, two hundred forty thousand, four hundred thirty-four".