440030342 has 8 divisors (see below), whose sum is σ = 688743216. Its totient is φ = 210449272.

The previous prime is 440030341. The next prime is 440030351. The reversal of 440030342 is 243030044.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440030341) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 4782893 + ... + 4782984.

It is an arithmetic number, because the mean of its divisors is an integer number (86092902).

Almost surely, 2^440030342 is an apocalyptic number.

440030342 is a deficient number, since it is larger than the sum of its proper divisors (248712874).

440030342 is a wasteful number, since it uses less digits than its factorization.

440030342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9565902.

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

The square root of 440030342 is about 20976.9001999819. The cubic root of 440030342 is about 760.6079749600.

Adding to 440030342 its reverse (243030044), we get a palindrome (683060386).

The spelling of 440030342 in words is "four hundred forty million, thirty thousand, three hundred forty-two".