499648500 has 360 divisors, whose sum is σ = 1789331544. Its totient is φ = 121305600.

The previous prime is 499648489. The next prime is 499648507. The reversal of 499648500 is 5846994.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 476723556 + 22924944 = 21834^2 + 4788^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499648507) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 6844464 + ... + 6844536.

Almost surely, 2^499648500 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 499648500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (894665772).

499648500 is an abundant number, since it is smaller than the sum of its proper divisors (1289683044).

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

499648500 is a wasteful number, since it uses less digits than its factorization.

499648500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 499648500 is about 22352.8186142151. The cubic root of 499648500 is about 793.5144918934.

The spelling of 499648500 in words is "four hundred ninety-nine million, six hundred forty-eight thousand, five hundred".