499999444433376 has 192 divisors, whose sum is σ = 1370808259430400. Its totient is φ = 159275304308736.

The previous prime is 499999444433311. The next prime is 499999444433407. The reversal of 499999444433376 is 673334444999994.

It is a junction number, because it is equal to n+sod(n) for n = 499999444433292 and 499999444433301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13004882185 + ... + 13004920631.

It is an arithmetic number, because the mean of its divisors is an integer number (7139626351200).

Almost surely, 2^{499999444433376} is an apocalyptic number.

499999444433376 is a gapful number since it is divisible by the number (46) 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 499999444433376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (685404129715200).

499999444433376 is an abundant number, since it is smaller than the sum of its proper divisors (870808814997024).

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

499999444433376 is a wasteful number, since it uses less digits than its factorization.

499999444433376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43681 (or 43673 counting only the distinct ones).

The product of its digits is 68568643584, while the sum is 87.

The spelling of 499999444433376 in words is "four hundred ninety-nine trillion, nine hundred ninety-nine billion, four hundred forty-four million, four hundred thirty-three thousand, three hundred seventy-six".