499800000 has 504 divisors, whose sum is σ = 2035838448. Its totient is φ = 107520000.

The previous prime is 499799987. The next prime is 499800001. The reversal of 499800000 is 8994.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499800001) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 29399992 + ... + 29400008.

It is an arithmetic number, because the mean of its divisors is an integer number (4039362).

Almost surely, 2^499800000 is an apocalyptic number.

499800000 is a gapful number since it is divisible by the number (40) 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 499800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1017919224).

499800000 is an abundant number, since it is smaller than the sum of its proper divisors (1536038448).

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

499800000 is an equidigital number, since it uses as much as digits as its factorization.

499800000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 499800000 is about 22356.2071917398. The cubic root of 499800000 is about 793.5946851339.

Adding to 499800000 its reverse (8994), we get a palindrome (499808994).

The spelling of 499800000 in words is "four hundred ninety-nine million, eight hundred thousand".