5191998480 has 160 divisors (see below), whose sum is σ = 17964028800. Its totient is φ = 1378303488.

The previous prime is 5191998439. The next prime is 5191998521. The reversal of 5191998480 is 848991915.

It is an interprime number because it is at equal distance from previous prime (5191998439) and next prime (5191998521).

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 485026 + ... + 495614.

It is an arithmetic number, because the mean of its divisors is an integer number (112275180).

Almost surely, 2^5191998480 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 5191998480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8982014400).

5191998480 is an abundant number, since it is smaller than the sum of its proper divisors (12772030320).

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

5191998480 is a wasteful number, since it uses less digits than its factorization.

5191998480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10838 (or 10826 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 54.

The square root of 5191998480 is about 72055.5235911863. The cubic root of 5191998480 is about 1731.5891353330.

The spelling of 5191998480 in words is "five billion, one hundred ninety-one million, nine hundred ninety-eight thousand, four hundred eighty".