4424067640 has 16 divisors (see below), whose sum is σ = 9954152280. Its totient is φ = 1769627040.

The previous prime is 4424067619. The next prime is 4424067643. The reversal of 4424067640 is 467604244.

It is a self number, because there is not a number n which added to its sum of digits gives 4424067640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4424067643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55300806 + ... + 55300885.

Almost surely, 2^4424067640 is an apocalyptic number.

4424067640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4424067640 is an abundant number, since it is smaller than the sum of its proper divisors (5530084640).

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

4424067640 is a wasteful number, since it uses less digits than its factorization.

4424067640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110601702 (or 110601698 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 37.

The square root of 4424067640 is about 66513.6650621510. The cubic root of 4424067640 is about 1641.6248569951.

The spelling of 4424067640 in words is "four billion, four hundred twenty-four million, sixty-seven thousand, six hundred forty".