4139555472 has 120 divisors (see below), whose sum is σ = 12500144384. Its totient is φ = 1271261952.

The previous prime is 4139555411. The next prime is 4139555473. The reversal of 4139555472 is 2745559314.

4139555472 is a `hidden beast` number, since 4 + 1 + 3 + 95 + 554 + 7 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (4139555473) 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 23 ways as a sum of consecutive naturals, for example, 1134483 + ... + 1138125.

Almost surely, 2^4139555472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4139555472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6250072192).

4139555472 is an abundant number, since it is smaller than the sum of its proper divisors (8360588912).

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

4139555472 is a wasteful number, since it uses less digits than its factorization.

4139555472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4277 (or 4268 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 4139555472 is about 64339.3773050377. The cubic root of 4139555472 is about 1605.6513011628.

The spelling of 4139555472 in words is "four billion, one hundred thirty-nine million, five hundred fifty-five thousand, four hundred seventy-two".