499820544 has 240 divisors, whose sum is σ = 1569728160. Its totient is φ = 158146560.

The previous prime is 499820543. The next prime is 499820549. The reversal of 499820544 is 445028994.

It is a self number, because there is not a number n which added to its sum of digits gives 499820544.

It is not an unprimeable number, because it can be changed into a prime (499820543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3815359 + ... + 3815489.

It is an arithmetic number, because the mean of its divisors is an integer number (6540534).

Almost surely, 2^499820544 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 499820544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (784864080).

499820544 is an abundant number, since it is smaller than the sum of its proper divisors (1069907616).

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

499820544 is a wasteful number, since it uses less digits than its factorization.

499820544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 499820544 is about 22356.6666567268. Note that the first 4 decimals coincide. The cubic root of 499820544 is about 793.6055584071.

The spelling of 499820544 in words is "four hundred ninety-nine million, eight hundred twenty thousand, five hundred forty-four".