5018447280 has 320 divisors, whose sum is σ = 20240990208. Its totient is φ = 997370880.

The previous prime is 5018447251. The next prime is 5018447299. The reversal of 5018447280 is 827448105.

It is a happy number.

It is a Cunningham number, because it is equal to 70841²-1.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 419137 + ... + 430943.

Almost surely, 2^5018447280 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 5018447280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10120495104).

5018447280 is an abundant number, since it is smaller than the sum of its proper divisors (15222542928).

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

5018447280 is a wasteful number, since it uses less digits than its factorization.

5018447280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11864 (or 11858 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 5018447280 is about 70840.9999929419. Note that the first 5 decimals coincide. The cubic root of 5018447280 is about 1712.0763260436.

The spelling of 5018447280 in words is "five billion, eighteen million, four hundred forty-seven thousand, two hundred eighty".