440234030 has 16 divisors (see below), whose sum is σ = 826874784. Its totient is φ = 168437280.

The previous prime is 440234021. The next prime is 440234033. The reversal of 440234030 is 30432044.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 440233993 and 440234011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440234033) 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, 956801 + ... + 957260.

It is an arithmetic number, because the mean of its divisors is an integer number (51679674).

Almost surely, 2^440234030 is an apocalyptic number.

440234030 is a deficient number, since it is larger than the sum of its proper divisors (386640754).

440234030 is a wasteful number, since it uses less digits than its factorization.

440234030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914091.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 440234030 is about 20981.7546930661. The cubic root of 440234030 is about 760.7253174882.

Adding to 440234030 its reverse (30432044), we get a palindrome (470666074).

The spelling of 440234030 in words is "four hundred forty million, two hundred thirty-four thousand, thirty".