4440666040 has 32 divisors (see below), whose sum is σ = 9994589280. Its totient is φ = 1775716992.

The previous prime is 4440666031. The next prime is 4440666047. The reversal of 4440666040 is 406660444.

4440666040 is nontrivially palindromic in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 4440665987 and 4440666005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440666047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129157 + ... + 159883.

It is an arithmetic number, because the mean of its divisors is an integer number (312330915).

Almost surely, 2^4440666040 is an apocalyptic number.

4440666040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4440666040 is an abundant number, since it is smaller than the sum of its proper divisors (5553923240).

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

4440666040 is a wasteful number, since it uses less digits than its factorization.

4440666040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34351 (or 34347 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 4440666040 is about 66638.3226079408. The cubic root of 4440666040 is about 1643.6753334596.

It can be divided in two parts, 4 and 440666040, that added together give a palindrome (440666044).

The spelling of 4440666040 in words is "four billion, four hundred forty million, six hundred sixty-six thousand, forty".