5194385280 has 256 divisors, whose sum is σ = 21025382400. Its totient is φ = 1187260416.

The previous prime is 5194385239. The next prime is 5194385293. The reversal of 5194385280 is 825834915.

5194385280 is a `hidden beast` number, since 5 + 1 + 94 + 38 + 528 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 99489 + ... + 142431.

It is an arithmetic number, because the mean of its divisors is an integer number (82130400).

Almost surely, 2^5194385280 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 5194385280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10512691200).

5194385280 is an abundant number, since it is smaller than the sum of its proper divisors (15830997120).

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

5194385280 is a wasteful number, since it uses less digits than its factorization.

5194385280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42978 (or 42960 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 5194385280 is about 72072.0839160351. The cubic root of 5194385280 is about 1731.8544361165.

The spelling of 5194385280 in words is "five billion, one hundred ninety-four million, three hundred eighty-five thousand, two hundred eighty".