440064006 has 32 divisors (see below), whose sum is σ = 933949440. Its totient is φ = 137755776.

The previous prime is 440063983. The next prime is 440064011. The reversal of 440064006 is 600460044.

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 15 ways as a sum of consecutive naturals, for example, 44355 + ... + 53361.

It is an arithmetic number, because the mean of its divisors is an integer number (29185920).

Almost surely, 2^440064006 is an apocalyptic number.

440064006 is an abundant number, since it is smaller than the sum of its proper divisors (493885434).

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

440064006 is a wasteful number, since it uses less digits than its factorization.

440064006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9508.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 440064006 is about 20977.7025910847. The cubic root of 440064006 is about 760.6273709361.

The spelling of 440064006 in words is "four hundred forty million, sixty-four thousand, six".