3800138780 has 24 divisors (see below), whose sum is σ = 7981500240. Its totient is φ = 1519825280.

The previous prime is 3800138779. The next prime is 3800138819. The reversal of 3800138780 is 878310083.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195920 + ... + 214440.

It is an arithmetic number, because the mean of its divisors is an integer number (332562510).

Almost surely, 2^3800138780 is an apocalyptic number.

It is an amenable number.

3800138780 is an abundant number, since it is smaller than the sum of its proper divisors (4181361460).

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

3800138780 is a wasteful number, since it uses less digits than its factorization.

3800138780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28789 (or 28787 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 3800138780 is about 61645.2656738537. The cubic root of 3800138780 is about 1560.5097473982.

The spelling of 3800138780 in words is "three billion, eight hundred million, one hundred thirty-eight thousand, seven hundred eighty".