3868155510 has 64 divisors (see below), whose sum is σ = 9603256320. Its totient is φ = 996128640.

The previous prime is 3868155509. The next prime is 3868155521. The reversal of 3868155510 is 155518683.

It is a super-3 number, since 3×3868155510³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 463656 + ... + 471924.

It is an arithmetic number, because the mean of its divisors is an integer number (150050880).

Almost surely, 2^3868155510 is an apocalyptic number.

3868155510 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 3868155510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4801628160).

3868155510 is an abundant number, since it is smaller than the sum of its proper divisors (5735100810).

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

3868155510 is a wasteful number, since it uses less digits than its factorization.

3868155510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8813.

The product of its (nonzero) digits is 144000, while the sum is 42.

The square root of 3868155510 is about 62194.4974254154. The cubic root of 3868155510 is about 1569.7650005956.

The spelling of 3868155510 in words is "three billion, eight hundred sixty-eight million, one hundred fifty-five thousand, five hundred ten".