5398319808 has 252 divisors, whose sum is σ = 19060055352. Its totient is φ = 1451520000.

The previous prime is 5398319807. The next prime is 5398319813. The reversal of 5398319808 is 8089138935.

It is a tau number, because it is divible by the number of its divisors (252).

It is not an unprimeable number, because it can be changed into a prime (5398319807) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 474183 + ... + 485433.

Almost surely, 2^5398319808 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 5398319808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9530027676).

5398319808 is an abundant number, since it is smaller than the sum of its proper divisors (13661735544).

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

5398319808 is a wasteful number, since it uses less digits than its factorization.

5398319808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11300 (or 11280 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The square root of 5398319808 is about 73473.2591355522. The cubic root of 5398319808 is about 1754.2286643779.

The spelling of 5398319808 in words is "five billion, three hundred ninety-eight million, three hundred nineteen thousand, eight hundred eight".