4404578689 has 27 divisors (see below), whose sum is σ = 5418413217. Its totient is φ = 3569482728.

The previous prime is 4404578681. The next prime is 4404578693. The reversal of 4404578689 is 9868754044.

It is a happy number.

The square root of 4404578689 is 66367.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 4404578689 - 2³ = 4404578681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4404578681) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8826562 + ... + 8827060.

It is an arithmetic number, because the mean of its divisors is an integer number (200681971).

Almost surely, 2^4404578689 is an apocalyptic number.

4404578689 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4404578689 is the 66367-th square number.

4404578689 is the 33184-th centered octagonal number.

It is an amenable number.

4404578689 is a deficient number, since it is larger than the sum of its proper divisors (1013834528).

4404578689 is an frugal number, since it uses more digits than its factorization.

4404578689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 55.

The cubic root of 4404578689 is about 1639.2107407142.

The spelling of 4404578689 in words is "four billion, four hundred four million, five hundred seventy-eight thousand, six hundred eighty-nine".