440043242 has 16 divisors (see below), whose sum is σ = 677787264. Its totient is φ = 214140000.

The previous prime is 440043239. The next prime is 440043251. The reversal of 440043242 is 242340044.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29117 + ... + 41567.

It is an arithmetic number, because the mean of its divisors is an integer number (42361704).

Almost surely, 2^440043242 is an apocalyptic number.

440043242 is a deficient number, since it is larger than the sum of its proper divisors (237744022).

440043242 is a wasteful number, since it uses less digits than its factorization.

440043242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12925.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 440043242 is about 20977.2076788118. The cubic root of 440043242 is about 760.6154075892.

Adding to 440043242 its reverse (242340044), we get a palindrome (682383286).

The spelling of 440043242 in words is "four hundred forty million, forty-three thousand, two hundred forty-two".