440090068 has 36 divisors (see below), whose sum is σ = 848323476. Its totient is φ = 199619200.

The previous prime is 440090041. The next prime is 440090087. The reversal of 440090068 is 860090044.

It can be written as a sum of positive squares in 2 ways, for example, as 357134404 + 82955664 = 18898^2 + 9108^2 .

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 414258 + ... + 415318.

It is an arithmetic number, because the mean of its divisors is an integer number (23564541).

Almost surely, 2^440090068 is an apocalyptic number.

It is an amenable number.

440090068 is a deficient number, since it is larger than the sum of its proper divisors (408233408).

440090068 is a wasteful number, since it uses less digits than its factorization.

440090068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944 (or 1931 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 440090068 is about 20978.3237652583. The cubic root of 440090068 is about 760.6423862361.

The spelling of 440090068 in words is "four hundred forty million, ninety thousand, sixty-eight".