3868155630 has 24 divisors (see below), whose sum is σ = 10057204872. Its totient is φ = 1031508144.

The previous prime is 3868155587. The next prime is 3868155637. The reversal of 3868155630 is 365518683.

3868155630 is a `hidden beast` number, since 3 + 8 + 6 + 8 + 1 + 5 + 5 + 630 = 666.

It is a super-3 number, since 3×3868155630³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3868155637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21489664 + ... + 21489843.

It is an arithmetic number, because the mean of its divisors is an integer number (419050203).

Almost surely, 2^3868155630 is an apocalyptic number.

3868155630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3868155630 is an abundant number, since it is smaller than the sum of its proper divisors (6189049242).

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

3868155630 is a wasteful number, since it uses less digits than its factorization.

3868155630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42979520 (or 42979517 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 3868155630 is about 62194.4983901309. The cubic root of 3868155630 is about 1569.7650168283.

The spelling of 3868155630 in words is "three billion, eight hundred sixty-eight million, one hundred fifty-five thousand, six hundred thirty".