440676668 has 12 divisors (see below), whose sum is σ = 772241400. Its totient is φ = 220036272.

The previous prime is 440676667. The next prime is 440676701. The reversal of 440676668 is 866676044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440676667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72218 + ... + 78081.

It is an arithmetic number, because the mean of its divisors is an integer number (64353450).

Almost surely, 2^440676668 is an apocalyptic number.

It is an amenable number.

440676668 is a deficient number, since it is larger than the sum of its proper divisors (331564732).

440676668 is a wasteful number, since it uses less digits than its factorization.

440676668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151036 (or 151034 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 47.

The square root of 440676668 is about 20992.3002074570. The cubic root of 440676668 is about 760.9801918794.

The spelling of 440676668 in words is "four hundred forty million, six hundred seventy-six thousand, six hundred sixty-eight".