5398338540 has 96 divisors (see below), whose sum is σ = 17390822400. Its totient is φ = 1225610496.

The previous prime is 5398338523. The next prime is 5398338563. The reversal of 5398338540 is 458338935.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5398338540.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19449 + ... + 105711.

It is an arithmetic number, because the mean of its divisors is an integer number (181154400).

Almost surely, 2^5398338540 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 5398338540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8695411200).

5398338540 is an abundant number, since it is smaller than the sum of its proper divisors (11992483860).

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

5398338540 is a wasteful number, since it uses less digits than its factorization.

5398338540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86431 (or 86429 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The square root of 5398338540 is about 73473.3866103911. The cubic root of 5398338540 is about 1754.2306934150.

The spelling of 5398338540 in words is "five billion, three hundred ninety-eight million, three hundred thirty-eight thousand, five hundred forty".