5138887432 has 64 divisors (see below), whose sum is σ = 11807424000. Its totient is φ = 2046560256.

The previous prime is 5138887423. The next prime is 5138887441. The reversal of 5138887432 is 2347888315.

It is an interprime number because it is at equal distance from previous prime (5138887423) and next prime (5138887441).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41044 + ... + 109372.

It is an arithmetic number, because the mean of its divisors is an integer number (184491000).

Almost surely, 2^5138887432 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 5138887432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5903712000).

5138887432 is an abundant number, since it is smaller than the sum of its proper divisors (6668536568).

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

5138887432 is a wasteful number, since it uses less digits than its factorization.

5138887432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68438 (or 68434 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 49.

The square root of 5138887432 is about 71686.0337304276. The cubic root of 5138887432 is about 1725.6645126705.

The spelling of 5138887432 in words is "five billion, one hundred thirty-eight million, eight hundred eighty-seven thousand, four hundred thirty-two".