4423211640 has 192 divisors, whose sum is σ = 15380033760. Its totient is φ = 1098547200.

The previous prime is 4423211593. The next prime is 4423211669. The reversal of 4423211640 is 461123244.

It is a happy number.

4423211640 is a `hidden beast` number, since 4 + 4 + 2 + 3 + 2 + 11 + 640 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 589915 + ... + 597365.

Almost surely, 2^4423211640 is an apocalyptic number.

4423211640 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 4423211640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7690016880).

4423211640 is an abundant number, since it is smaller than the sum of its proper divisors (10956822120).

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

4423211640 is a wasteful number, since it uses less digits than its factorization.

4423211640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7582 (or 7575 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 4423211640 is about 66507.2299829124. The cubic root of 4423211640 is about 1641.5189724236.

Adding to 4423211640 its reverse (461123244), we get a palindrome (4884334884).

The spelling of 4423211640 in words is "four billion, four hundred twenty-three million, two hundred eleven thousand, six hundred forty".