440864042 has 16 divisors (see below), whose sum is σ = 676363392. Its totient is φ = 215423520.

The previous prime is 440864041. The next prime is 440864093. The reversal of 440864042 is 240468044.

It is a super-2 number, since 2×440864042² = 388722207057155528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (440864041) 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 7 ways as a sum of consecutive naturals, for example, 68453 + ... + 74615.

It is an arithmetic number, because the mean of its divisors is an integer number (42272712).

Almost surely, 2^440864042 is an apocalyptic number.

440864042 is a deficient number, since it is larger than the sum of its proper divisors (235499350).

440864042 is a wasteful number, since it uses less digits than its factorization.

440864042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6973.

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 440864042 is about 20996.7626552285. The cubic root of 440864042 is about 761.0880318661.

The spelling of 440864042 in words is "four hundred forty million, eight hundred sixty-four thousand, forty-two".