4423345440 has 96 divisors (see below), whose sum is σ = 14129894016. Its totient is φ = 1162936320.

The previous prime is 4423345417. The next prime is 4423345469. The reversal of 4423345440 is 445433244.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30817 + ... + 98976.

It is an arithmetic number, because the mean of its divisors is an integer number (147186396).

Almost surely, 2^4423345440 is an apocalyptic number.

4423345440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4423345440 is an abundant number, since it is smaller than the sum of its proper divisors (9706548576).

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

4423345440 is a wasteful number, since it uses less digits than its factorization.

4423345440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129882 (or 129874 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 33.

The square root of 4423345440 is about 66508.2358809794. The cubic root of 4423345440 is about 1641.5355239734.

Adding to 4423345440 its reverse (445433244), we get a palindrome (4868778684).

The spelling of 4423345440 in words is "four billion, four hundred twenty-three million, three hundred forty-five thousand, four hundred forty".