499008000 has 320 divisors, whose sum is σ = 1746531072. Its totient is φ = 126156800.

The previous prime is 499007989. The next prime is 499008031. The reversal of 499008000 is 800994.

It is a tau number, because it is divible by the number of its divisors (320).

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

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, 4415944 + ... + 4416056.

Almost surely, 2^499008000 is an apocalyptic number.

499008000 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 499008000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (873265536).

499008000 is an abundant number, since it is smaller than the sum of its proper divisors (1247523072).

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

499008000 is a wasteful number, since it uses less digits than its factorization.

499008000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 146 counting only the distinct ones).

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

The square root of 499008000 is about 22338.4869675634. The cubic root of 499008000 is about 793.1752778522.

Adding to 499008000 its reverse (800994), we get a palindrome (499808994).

The spelling of 499008000 in words is "four hundred ninety-nine million, eight thousand".