440670066 has 16 divisors (see below), whose sum is σ = 881551488. Its totient is φ = 146854800.

The previous prime is 440670047. The next prime is 440670169. The reversal of 440670066 is 660076044.

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 7 ways as a sum of consecutive naturals, for example, 35271 + ... + 46101.

It is an arithmetic number, because the mean of its divisors is an integer number (55096968).

Almost surely, 2^440670066 is an apocalyptic number.

440670066 is an abundant number, since it is smaller than the sum of its proper divisors (440881422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440670066 is a wasteful number, since it uses less digits than its factorization.

440670066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17617.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 440670066 is about 20992.1429587358. The cubic root of 440670066 is about 760.9763916508.

The spelling of 440670066 in words is "four hundred forty million, six hundred seventy thousand, sixty-six".