499100000 has 288 divisors, whose sum is σ = 1511903232. Its totient is φ = 158400000.

The previous prime is 499099981. The next prime is 499100029. The reversal of 499100000 is 1994.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16099985 + ... + 16100015.

It is an arithmetic number, because the mean of its divisors is an integer number (5249664).

Almost surely, 2^499100000 is an apocalyptic number.

499100000 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 499100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (755951616).

499100000 is an abundant number, since it is smaller than the sum of its proper divisors (1012803232).

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

499100000 is an equidigital number, since it uses as much as digits as its factorization.

499100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 499100000 is about 22340.5460989654. The cubic root of 499100000 is about 793.2240196502.

Adding to 499100000 its reverse (1994), we get a palindrome (499101994).

The spelling of 499100000 in words is "four hundred ninety-nine million, one hundred thousand".