3838009140 has 72 divisors (see below), whose sum is σ = 13305102720. Its totient is φ = 877258944.

The previous prime is 3838009121. The next prime is 3838009169. The reversal of 3838009140 is 419008383.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3838009095 and 3838009104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1521760 + ... + 1524279.

Almost surely, 2^3838009140 is an apocalyptic number.

3838009140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3838009140 is an abundant number, since it is smaller than the sum of its proper divisors (9467093580).

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

3838009140 is a wasteful number, since it uses less digits than its factorization.

3838009140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3046061 (or 3046056 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 3838009140 is about 61951.6677741609. The cubic root of 3838009140 is about 1565.6763863039.

The spelling of 3838009140 in words is "three billion, eight hundred thirty-eight million, nine thousand, one hundred forty".