440134442 has 32 divisors (see below), whose sum is σ = 731674944. Its totient is φ = 196905600.

The previous prime is 440134423. The next prime is 440134451. The reversal of 440134442 is 244431044.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425558 + ... + 426590.

It is an arithmetic number, because the mean of its divisors is an integer number (22864842).

Almost surely, 2^440134442 is an apocalyptic number.

440134442 is a deficient number, since it is larger than the sum of its proper divisors (291540502).

440134442 is a wasteful number, since it uses less digits than its factorization.

440134442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334.

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

The square root of 440134442 is about 20979.3813540819. The cubic root of 440134442 is about 760.6679504053.

Adding to 440134442 its reverse (244431044), we get a palindrome (684565486).

The spelling of 440134442 in words is "four hundred forty million, one hundred thirty-four thousand, four hundred forty-two".