499044381633216 has 504 divisors, whose sum is σ = 1527609609556992. Its totient is φ = 155586855628800.

The previous prime is 499044381633191. The next prime is 499044381633229. The reversal of 499044381633216 is 612336183440994.

It is a happy number.

499044381633216 is a `hidden beast` number, since 4 + 9 + 9 + 0 + 4 + 4 + 381 + 6 + 33 + 216 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3211627461 + ... + 3211782843.

Almost surely, 2^{499044381633216} 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 499044381633216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (763804804778496).

499044381633216 is an abundant number, since it is smaller than the sum of its proper divisors (1028565227923776).

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

499044381633216 is a wasteful number, since it uses less digits than its factorization.

499044381633216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155621 (or 155567 counting only the distinct ones).

The product of its (nonzero) digits is 80621568, while the sum is 63.

The spelling of 499044381633216 in words is "four hundred ninety-nine trillion, forty-four billion, three hundred eighty-one million, six hundred thirty-three thousand, two hundred sixteen".