999994832496 has 640 divisors, whose sum is σ = 3248222100480. Its totient is φ = 295657205760.

The previous prime is 999994832491. The next prime is 999994832519. The reversal of 999994832496 is 694238499999.

999994832496 is a `hidden beast` number, since 9 + 9 + 9 + 9 + 94 + 8 + 32 + 496 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999994832491) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 3610089510 + ... + 3610089786.

It is an arithmetic number, because the mean of its divisors is an integer number (5075347032).

Almost surely, 2^999994832496 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 999994832496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1624111050240).

999994832496 is an abundant number, since it is smaller than the sum of its proper divisors (2248227267984).

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

999994832496 is a wasteful number, since it uses less digits than its factorization.

999994832496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 489 counting only the distinct ones).

The product of its digits is 2448880128, while the sum is 81.

The spelling of 999994832496 in words is "nine hundred ninety-nine billion, nine hundred ninety-four million, eight hundred thirty-two thousand, four hundred ninety-six".