4224238640 has 40 divisors (see below), whose sum is σ = 9832212960. Its totient is φ = 1687827456.

The previous prime is 4224238639. The next prime is 4224238663. The reversal of 4224238640 is 468324224.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 4224238640.

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, 44792 + ... + 102248.

It is an arithmetic number, because the mean of its divisors is an integer number (245805324).

Almost surely, 2^4224238640 is an apocalyptic number.

4224238640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4224238640 is an abundant number, since it is smaller than the sum of its proper divisors (5607974320).

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

4224238640 is a wasteful number, since it uses less digits than its factorization.

4224238640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58389 (or 58383 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

The square root of 4224238640 is about 64994.1431207459. The cubic root of 4224238640 is about 1616.5264496427.

The spelling of 4224238640 in words is "four billion, two hundred twenty-four million, two hundred thirty-eight thousand, six hundred forty".