3818396851200 has 1056 divisors, whose sum is σ = 14723810949120. Its totient is φ = 967856947200.

The previous prime is 3818396851169. The next prime is 3818396851219. The reversal of 3818396851200 is 21586938183.

3818396851200 is a `hidden beast` number, since 38 + 1 + 8 + 3 + 96 + 8 + 512 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2877464937 + ... + 2877466263.

Almost surely, 2^{3818396851200} is an apocalyptic number.

3818396851200 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 3818396851200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7361905474560).

3818396851200 is an abundant number, since it is smaller than the sum of its proper divisors (10905414097920).

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

3818396851200 is a wasteful number, since it uses less digits than its factorization.

3818396851200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570 (or 1541 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 3818396851200 in words is "three trillion, eight hundred eighteen billion, three hundred ninety-six million, eight hundred fifty-one thousand, two hundred".