5199240838 has 12 divisors (see below), whose sum is σ = 8508402108. Its totient is φ = 2363137560.

The previous prime is 5199240833. The next prime is 5199240859. The reversal of 5199240838 is 8380429915.

It is a junction number, because it is equal to n+sod(n) for n = 5199240791 and 5199240800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5199240833) 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 5 ways as a sum of consecutive naturals, for example, 330520 + ... + 345892.

It is an arithmetic number, because the mean of its divisors is an integer number (709033509).

Almost surely, 2^5199240838 is an apocalyptic number.

5199240838 is a deficient number, since it is larger than the sum of its proper divisors (3309161270).

5199240838 is an frugal number, since it uses more digits than its factorization.

5199240838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30759 (or 15386 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 5199240838 is about 72105.7614757656. The cubic root of 5199240838 is about 1732.3938968592.

The spelling of 5199240838 in words is "five billion, one hundred ninety-nine million, two hundred forty thousand, eight hundred thirty-eight".