3818220336 has 240 divisors, whose sum is σ = 12962429280. Its totient is φ = 1072673280.

The previous prime is 3818220293. The next prime is 3818220361. The reversal of 3818220336 is 6330228183.

3818220336 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3818220336.

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, 1289770 + ... + 1292726.

It is an arithmetic number, because the mean of its divisors is an integer number (54010122).

Almost surely, 2^3818220336 is an apocalyptic number.

3818220336 is a gapful number since it is divisible by the number (36) 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 3818220336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6481214640).

3818220336 is an abundant number, since it is smaller than the sum of its proper divisors (9144208944).

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

3818220336 is a wasteful number, since it uses less digits than its factorization.

3818220336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3049 (or 3030 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 3818220336 is about 61791.7497405600. The cubic root of 3818220336 is about 1562.9808685366.

The spelling of 3818220336 in words is "three billion, eight hundred eighteen million, two hundred twenty thousand, three hundred thirty-six".