3871321420050 has 864 divisors, whose sum is σ = 13026263837184. Its totient is φ = 806682240000.

The previous prime is 3871321420027. The next prime is 3871321420139. The reversal of 3871321420050 is 500241231783.

3871321420050 is a `hidden beast` number, since 3 + 87 + 1 + 321 + 4 + 200 + 50 = 666.

3871321420050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3871321419987 and 3871321420014.

It is an unprimeable number.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 4249529095 + ... + 4249530005.

It is an arithmetic number, because the mean of its divisors is an integer number (15076694256).

Almost surely, 2^{3871321420050} is an apocalyptic number.

3871321420050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3871321420050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6513131918592).

3871321420050 is an abundant number, since it is smaller than the sum of its proper divisors (9154942417134).

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

3871321420050 is a wasteful number, since it uses less digits than its factorization.

3871321420050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 1085 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 3871321420050 in words is "three trillion, eight hundred seventy-one billion, three hundred twenty-one million, four hundred twenty thousand, fifty".