4423440520 has 32 divisors (see below), whose sum is σ = 9954835200. Its totient is φ = 1769003968.

The previous prime is 4423440517. The next prime is 4423440551. The reversal of 4423440520 is 250443244.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258057 + ... + 274663.

It is an arithmetic number, because the mean of its divisors is an integer number (311088600).

Almost surely, 2^4423440520 is an apocalyptic number.

4423440520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4423440520 is an abundant number, since it is smaller than the sum of its proper divisors (5531394680).

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

4423440520 is a wasteful number, since it uses less digits than its factorization.

4423440520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23277 (or 23273 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 4423440520 is about 66508.9506758301. The cubic root of 4423440520 is about 1641.5472855147.

Adding to 4423440520 its reverse (250443244), we get a palindrome (4673883764).

The spelling of 4423440520 in words is "four billion, four hundred twenty-three million, four hundred forty thousand, five hundred twenty".