440878384042 has 8 divisors (see below), whose sum is σ = 684121630500. Its totient is φ = 212837840544.

The previous prime is 440878384007. The next prime is 440878384049. The reversal of 440878384042 is 240483878044.

It can be written as a sum of positive squares in 2 ways, for example, as 405209906721 + 35668477321 = 636561^2 + 188861^2 .

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

It is not an unprimeable number, because it can be changed into a prime (440878384049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3800675667 + ... + 3800675782.

Almost surely, 2^440878384042 is an apocalyptic number.

440878384042 is a deficient number, since it is larger than the sum of its proper divisors (243243246458).

440878384042 is a wasteful number, since it uses less digits than its factorization.

440878384042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7601351480.

The product of its (nonzero) digits is 5505024, while the sum is 52.

The spelling of 440878384042 in words is "four hundred forty billion, eight hundred seventy-eight million, three hundred eighty-four thousand, forty-two".