440343042 has 8 divisors (see below), whose sum is σ = 880686096. Its totient is φ = 146781012.

The previous prime is 440343037. The next prime is 440343053. The reversal of 440343042 is 240343044.

It is a happy number.

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

440343042 is an admirable number.

It is an unprimeable number.

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, 36695248 + ... + 36695259.

It is an arithmetic number, because the mean of its divisors is an integer number (110085762).

Almost surely, 2^440343042 is an apocalyptic number.

440343042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440343042 is a wasteful number, since it uses less digits than its factorization.

440343042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73390512.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 440343042 is about 20984.3523130927. The cubic root of 440343042 is about 760.7881032935.

Adding to 440343042 its reverse (240343044), we get a palindrome (680686086).

The spelling of 440343042 in words is "four hundred forty million, three hundred forty-three thousand, forty-two".