4440605568 has 64 divisors (see below), whose sum is σ = 13480417920. Its totient is φ = 1268743680.

The previous prime is 4440605537. The next prime is 4440605591. The reversal of 4440605568 is 8655060444.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-4 number, since 4×4440605568⁴ (a number of 40 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823318 + ... + 828693.

It is an arithmetic number, because the mean of its divisors is an integer number (210631530).

Almost surely, 2^4440605568 is an apocalyptic number.

4440605568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4440605568 is an abundant number, since it is smaller than the sum of its proper divisors (9039812352).

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

4440605568 is a wasteful number, since it uses less digits than its factorization.

4440605568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652035 (or 1652023 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

The square root of 4440605568 is about 66637.8688734866. The cubic root of 4440605568 is about 1643.6678723577.

The spelling of 4440605568 in words is "four billion, four hundred forty million, six hundred five thousand, five hundred sixty-eight".