3872040252 has 24 divisors (see below), whose sum is σ = 9038916096. Its totient is φ = 1290086448.

The previous prime is 3872040251. The next prime is 3872040257. The reversal of 3872040252 is 2520402783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3872040251) 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 7 ways as a sum of consecutive naturals, for example, 46618 + ... + 99585.

It is an arithmetic number, because the mean of its divisors is an integer number (376621504).

Almost surely, 2^3872040252 is an apocalyptic number.

It is an amenable number.

3872040252 is an abundant number, since it is smaller than the sum of its proper divisors (5166875844).

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

3872040252 is a wasteful number, since it uses less digits than its factorization.

3872040252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148417 (or 148415 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 3872040252 is about 62225.7201806456. The cubic root of 3872040252 is about 1570.2903234723.

The spelling of 3872040252 in words is "three billion, eight hundred seventy-two million, forty thousand, two hundred fifty-two".