4447040823 has 24 divisors (see below), whose sum is σ = 6727070688. Its totient is φ = 2825520192.

The previous prime is 4447040821. The next prime is 4447040831. The reversal of 4447040823 is 3280407444.

It is a happy number.

It is not a de Polignac number, because 4447040823 - 2¹ = 4447040821 is a prime.

It is a super-3 number, since 3×4447040823³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4447040821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18561 + ... + 96117.

It is an arithmetic number, because the mean of its divisors is an integer number (280294612).

Almost surely, 2^4447040823 is an apocalyptic number.

4447040823 is a deficient number, since it is larger than the sum of its proper divisors (2280029865).

4447040823 is a wasteful number, since it uses less digits than its factorization.

4447040823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77863 (or 77860 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 36.

The square root of 4447040823 is about 66686.1366627277. The cubic root of 4447040823 is about 1644.4614815699.

The spelling of 4447040823 in words is "four billion, four hundred forty-seven million, forty thousand, eight hundred twenty-three".