5398181880 has 256 divisors, whose sum is σ = 20799313920. Its totient is φ = 1089386496.

The previous prime is 5398181849. The next prime is 5398181909. The reversal of 5398181880 is 881818935.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 240414 + ... + 261906.

It is an arithmetic number, because the mean of its divisors is an integer number (81247320).

Almost surely, 2^5398181880 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 5398181880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10399656960).

5398181880 is an abundant number, since it is smaller than the sum of its proper divisors (15401132040).

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

5398181880 is a wasteful number, since it uses less digits than its factorization.

5398181880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21550 (or 21546 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 51.

The square root of 5398181880 is about 73472.3205023497. The cubic root of 5398181880 is about 1754.2137239692.

The spelling of 5398181880 in words is "five billion, three hundred ninety-eight million, one hundred eighty-one thousand, eight hundred eighty".