440784164 has 12 divisors (see below), whose sum is σ = 796255488. Its totient is φ = 213282600.

The previous prime is 440784163. The next prime is 440784193. The reversal of 440784164 is 461487044.

It is not an unprimeable number, because it can be changed into a prime (440784163) by changing a digit.

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, 1777232 + ... + 1777479.

It is an arithmetic number, because the mean of its divisors is an integer number (66354624).

Almost surely, 2^440784164 is an apocalyptic number.

It is an amenable number.

440784164 is a deficient number, since it is larger than the sum of its proper divisors (355471324).

440784164 is a wasteful number, since it uses less digits than its factorization.

440784164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554746 (or 3554744 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 440784164 is about 20994.8604186834. The cubic root of 440784164 is about 761.0420631501.

The spelling of 440784164 in words is "four hundred forty million, seven hundred eighty-four thousand, one hundred sixty-four".