4403445640 has 64 divisors (see below), whose sum is σ = 11012448960. Its totient is φ = 1571032320.

The previous prime is 4403445619. The next prime is 4403445671. The reversal of 4403445640 is 465443044.

It is a junction number, because it is equal to n+sod(n) for n = 4403445596 and 4403445605.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 71094 + ... + 117733.

It is an arithmetic number, because the mean of its divisors is an integer number (172069515).

Almost surely, 2^4403445640 is an apocalyptic number.

4403445640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4403445640 is an abundant number, since it is smaller than the sum of its proper divisors (6609003320).

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

4403445640 is a wasteful number, since it uses less digits than its factorization.

4403445640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188902 (or 188898 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

The square root of 4403445640 is about 66358.4632130673. The cubic root of 4403445640 is about 1639.0701699200.

Adding to 4403445640 its reverse (465443044), we get a palindrome (4868888684).

The spelling of 4403445640 in words is "four billion, four hundred three million, four hundred forty-five thousand, six hundred forty".