440304668 has 12 divisors (see below), whose sum is σ = 771009792. Its totient is φ = 220016160.

The previous prime is 440304643. The next prime is 440304671. The reversal of 440304668 is 866403044.

It is a happy number.

It is a congruent 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, 26588 + ... + 39843.

It is an arithmetic number, because the mean of its divisors is an integer number (64250816).

Almost surely, 2^440304668 is an apocalyptic number.

It is an amenable number.

440304668 is a deficient number, since it is larger than the sum of its proper divisors (330705124).

440304668 is a wasteful number, since it uses less digits than its factorization.

440304668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68092 (or 68090 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 440304668 is about 20983.4379451986. The cubic root of 440304668 is about 760.7660028491.

The spelling of 440304668 in words is "four hundred forty million, three hundred four thousand, six hundred sixty-eight".