4224535440 has 80 divisors (see below), whose sum is σ = 13171889088. Its totient is φ = 1120019968.

The previous prime is 4224535423. The next prime is 4224535453. The reversal of 4224535440 is 445354224.

It is a tau number, because it is divible by the number of its divisors (80).

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, 9354 + ... + 92393.

Almost surely, 2^4224535440 is an apocalyptic number.

4224535440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4224535440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6585944544).

4224535440 is an abundant number, since it is smaller than the sum of its proper divisors (8947353648).

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

4224535440 is a wasteful number, since it uses less digits than its factorization.

4224535440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101936 (or 101930 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 33.

The square root of 4224535440 is about 64996.4263633009. The cubic root of 4224535440 is about 1616.5643084425.

Adding to 4224535440 its reverse (445354224), we get a palindrome (4669889664).

The spelling of 4224535440 in words is "four billion, two hundred twenty-four million, five hundred thirty-five thousand, four hundred forty".