5278499520 has 168 divisors, whose sum is σ = 19495611504. Its totient is φ = 1206503424.

The previous prime is 5278499483. The next prime is 5278499521. The reversal of 5278499520 is 259948725.

It is a tau number, because it is divible by the number of its divisors (168).

It is not an unprimeable number, because it can be changed into a prime (5278499521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9067 + ... + 103146.

Almost surely, 2^5278499520 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 5278499520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9747805752).

5278499520 is an abundant number, since it is smaller than the sum of its proper divisors (14217111984).

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

5278499520 is a wasteful number, since it uses less digits than its factorization.

5278499520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112247 (or 112230 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 5278499520 is about 72653.2829265134. The cubic root of 5278499520 is about 1741.1525723456.

The spelling of 5278499520 in words is "five billion, two hundred seventy-eight million, four hundred ninety-nine thousand, five hundred twenty".