3851138472 has 16 divisors (see below), whose sum is σ = 9627846240. Its totient is φ = 1283712816.

The previous prime is 3851138471. The next prime is 3851138563. The reversal of 3851138472 is 2748311583.

It is not an unprimeable number, because it can be changed into a prime (3851138471) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 80232028 + ... + 80232075.

It is an arithmetic number, because the mean of its divisors is an integer number (601740390).

Almost surely, 2^3851138472 is an apocalyptic number.

It is an amenable number.

3851138472 is an abundant number, since it is smaller than the sum of its proper divisors (5776707768).

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

3851138472 is a wasteful number, since it uses less digits than its factorization.

3851138472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160464112 (or 160464108 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 3851138472 is about 62057.5416206604. The cubic root of 3851138472 is about 1567.4596797292.

The spelling of 3851138472 in words is "three billion, eight hundred fifty-one million, one hundred thirty-eight thousand, four hundred seventy-two".