440100442 has 16 divisors (see below), whose sum is σ = 676111392. Its totient is φ = 214739280.

The previous prime is 440100413. The next prime is 440100449. The reversal of 440100442 is 244001044.

It is not an unprimeable number, because it can be changed into a prime (440100449) 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, 159192 + ... + 161932.

It is an arithmetic number, because the mean of its divisors is an integer number (42256962).

Almost surely, 2^440100442 is an apocalyptic number.

440100442 is a deficient number, since it is larger than the sum of its proper divisors (236010950).

440100442 is a wasteful number, since it uses less digits than its factorization.

440100442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4653.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 440100442 is about 20978.5710190184. The cubic root of 440100442 is about 760.6483629234.

Adding to 440100442 its reverse (244001044), we get a palindrome (684101486).

The spelling of 440100442 in words is "four hundred forty million, one hundred thousand, four hundred forty-two".