5216408838 has 48 divisors (see below), whose sum is σ = 11485277856. Its totient is φ = 1710858240.

The previous prime is 5216408833. The next prime is 5216408957. The reversal of 5216408838 is 8388046125.

5216408838 is a `hidden beast` number, since 521 + 6 + 40 + 8 + 83 + 8 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5216408793 and 5216408802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5216408833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 282118 + ... + 300038.

It is an arithmetic number, because the mean of its divisors is an integer number (239276622).

Almost surely, 2^5216408838 is an apocalyptic number.

5216408838 is an abundant number, since it is smaller than the sum of its proper divisors (6268869018).

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

5216408838 is a wasteful number, since it uses less digits than its factorization.

5216408838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18189 (or 18186 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 5216408838 is about 72224.7107159316. The cubic root of 5216408838 is about 1734.2986020090.

The spelling of 5216408838 in words is "five billion, two hundred sixteen million, four hundred eight thousand, eight hundred thirty-eight".