440164630 has 16 divisors (see below), whose sum is σ = 801200160. Its totient is φ = 174087232.

The previous prime is 440164609. The next prime is 440164649. The reversal of 440164630 is 36461044.

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 7 ways as a sum of consecutive naturals, for example, 246394 + ... + 248173.

It is an arithmetic number, because the mean of its divisors is an integer number (50075010).

Almost surely, 2^440164630 is an apocalyptic number.

440164630 is a deficient number, since it is larger than the sum of its proper divisors (361035530).

440164630 is a wasteful number, since it uses less digits than its factorization.

440164630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494663.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 440164630 is about 20980.1008100533. The cubic root of 440164630 is about 760.6853409394.

The spelling of 440164630 in words is "four hundred forty million, one hundred sixty-four thousand, six hundred thirty".