9999514080 has 144 divisors (see below), whose sum is σ = 34164368784. Its totient is φ = 2663331840.

The previous prime is 9999514079. The next prime is 9999514097. The reversal of 9999514080 is 804159999.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×9999514080² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1345575 + ... + 1352985.

It is an arithmetic number, because the mean of its divisors is an integer number (237252561).

Almost surely, 2^9999514080 is an apocalyptic number.

9999514080 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 9999514080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17082184392).

9999514080 is an abundant number, since it is smaller than the sum of its proper divisors (24164854704).

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

9999514080 is a wasteful number, since it uses less digits than its factorization.

9999514080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8369 (or 8358 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 54.

The square root of 9999514080 is about 99997.5703704845. The cubic root of 9999514080 is about 2154.3997933698.

The spelling of 9999514080 in words is "nine billion, nine hundred ninety-nine million, five hundred fourteen thousand, eighty".