6299999280 has 240 divisors, whose sum is σ = 21779603040. Its totient is φ = 1631342592.

The previous prime is 6299999269. The next prime is 6299999317. The reversal of 6299999280 is 829999926.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3520626 + ... + 3522414.

It is an arithmetic number, because the mean of its divisors is an integer number (90748346).

Almost surely, 2^6299999280 is an apocalyptic number.

6299999280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6299999280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10889801520).

6299999280 is an abundant number, since it is smaller than the sum of its proper divisors (15479603760).

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

6299999280 is a wasteful number, since it uses less digits than its factorization.

6299999280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948 (or 1939 counting only the distinct ones).

The product of its (nonzero) digits is 11337408, while the sum is 63.

The square root of 6299999280 is about 79372.5347963639. The cubic root of 6299999280 is about 1846.9146800892.

The spelling of 6299999280 in words is "six billion, two hundred ninety-nine million, nine hundred ninety-nine thousand, two hundred eighty".