3818855413152 has 192 divisors, whose sum is σ = 12002643797760. Its totient is φ = 1174295688192.

The previous prime is 3818855413091. The next prime is 3818855413159. The reversal of 3818855413152 is 2513145588183.

3818855413152 is a `hidden beast` number, since 3 + 8 + 1 + 8 + 8 + 554 + 1 + 31 + 52 = 666.

It is a super-2 number, since 2×3818855413152² (a number of 26 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (3818855413159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17944038 + ... + 18155610.

It is an arithmetic number, because the mean of its divisors is an integer number (62513769780).

Almost surely, 2^{3818855413152} is an apocalyptic number.

3818855413152 is a gapful number since it is divisible by the number (32) 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 3818855413152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6001321898880).

3818855413152 is an abundant number, since it is smaller than the sum of its proper divisors (8183788384608).

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

3818855413152 is a wasteful number, since it uses less digits than its factorization.

3818855413152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213212 (or 213198 counting only the distinct ones).

The product of its digits is 4608000, while the sum is 54.

The spelling of 3818855413152 in words is "three trillion, eight hundred eighteen billion, eight hundred fifty-five million, four hundred thirteen thousand, one hundred fifty-two".