3806481831252 has 192 divisors, whose sum is σ = 9828766531584. Its totient is φ = 1141306951680.

The previous prime is 3806481831203. The next prime is 3806481831253. The reversal of 3806481831252 is 2521381846083.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 3806481831195 and 3806481831204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3806481831253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 242953923 + ... + 242969589.

It is an arithmetic number, because the mean of its divisors is an integer number (51191492352).

Almost surely, 2^{3806481831252} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3806481831252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4914383265792).

3806481831252 is an abundant number, since it is smaller than the sum of its proper divisors (6022284700332).

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

3806481831252 is a wasteful number, since it uses less digits than its factorization.

3806481831252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16198 (or 16196 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 3806481831252 in words is "three trillion, eight hundred six billion, four hundred eighty-one million, eight hundred thirty-one thousand, two hundred fifty-two".