3868156120 has 64 divisors (see below), whose sum is σ = 9061276320. Its totient is φ = 1484780544.

The previous prime is 3868156093. The next prime is 3868156147. The reversal of 3868156120 is 216518683.

3868156120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3868156093) and next prime (3868156147).

It is a super-3 number, since 3×3868156120³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90139 + ... + 125941.

Almost surely, 2^3868156120 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 3868156120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4530638160).

3868156120 is an abundant number, since it is smaller than the sum of its proper divisors (5193120200).

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

3868156120 is a wasteful number, since it uses less digits than its factorization.

3868156120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35924 (or 35920 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 3868156120 is about 62194.5023293860. The cubic root of 3868156120 is about 1569.7650831118.

The spelling of 3868156120 in words is "three billion, eight hundred sixty-eight million, one hundred fifty-six thousand, one hundred twenty".