3818385360 has 280 divisors, whose sum is σ = 13415228424. Its totient is φ = 1010257920.

The previous prime is 3818385323. The next prime is 3818385397. The reversal of 3818385360 is 635838183.

3818385360 is a `hidden beast` number, since 3 + 81 + 8 + 38 + 536 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (3818385323) and next prime (3818385397).

It can be written as a sum of positive squares in 4 ways, for example, as 238517136 + 3579868224 = 15444^2 + 59832^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 13588420 + ... + 13588700.

Almost surely, 2^3818385360 is an apocalyptic number.

3818385360 is a gapful number since it is divisible by the number (30) 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 3818385360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6707614212).

3818385360 is an abundant number, since it is smaller than the sum of its proper divisors (9596843064).

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

3818385360 is a wasteful number, since it uses less digits than its factorization.

3818385360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 3818385360 is about 61793.0850500280. The cubic root of 3818385360 is about 1563.0033856271.

The spelling of 3818385360 in words is "three billion, eight hundred eighteen million, three hundred eighty-five thousand, three hundred sixty".