999034463424 has 224 divisors, whose sum is σ = 2751714892800. Its totient is φ = 319502417920.

The previous prime is 999034463423. The next prime is 999034463429. The reversal of 999034463424 is 424364430999.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (999034463423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1028871259 + ... + 1028872229.

Almost surely, 2^999034463424 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 999034463424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1375857446400).

999034463424 is an abundant number, since it is smaller than the sum of its proper divisors (1752680429376).

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

999034463424 is a wasteful number, since it uses less digits than its factorization.

999034463424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991 (or 1981 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 57.

The spelling of 999034463424 in words is "nine hundred ninety-nine billion, thirty-four million, four hundred sixty-three thousand, four hundred twenty-four".