999930286080 has 832 divisors, whose sum is σ = 4003897098240. Its totient is φ = 234543513600.

The previous prime is 999930286037. The next prime is 999930286087. The reversal of 999930286080 is 80682039999.

999930286080 is a `hidden beast` number, since 99 + 99 + 302 + 86 + 0 + 80 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 999930285999 and 999930286017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999930286087) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 188556709 + ... + 188562011.

It is an arithmetic number, because the mean of its divisors is an integer number (4812376320).

Almost surely, 2^999930286080 is an apocalyptic number.

999930286080 is a gapful number since it is divisible by the number (90) 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 999930286080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2001948549120).

999930286080 is an abundant number, since it is smaller than the sum of its proper divisors (3003966812160).

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

999930286080 is a wasteful number, since it uses less digits than its factorization.

999930286080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5383 (or 5355 counting only the distinct ones).

The product of its (nonzero) digits is 15116544, while the sum is 63.

The spelling of 999930286080 in words is "nine hundred ninety-nine billion, nine hundred thirty million, two hundred eighty-six thousand, eighty".