999042502080 has 448 divisors, whose sum is σ = 3904654786560. Its totient is φ = 211301830656.

The previous prime is 999042502063. The next prime is 999042502091. The reversal of 999042502080 is 80205240999.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5399257 + ... + 5581223.

Almost surely, 2^999042502080 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 999042502080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1952327393280).

999042502080 is an abundant number, since it is smaller than the sum of its proper divisors (2905612284480).

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

999042502080 is a wasteful number, since it uses less digits than its factorization.

999042502080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182056 (or 182046 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The spelling of 999042502080 in words is "nine hundred ninety-nine billion, forty-two million, five hundred two thousand, eighty".