499400000 has 168 divisors, whose sum is σ = 1357225632. Its totient is φ = 180800000.

The previous prime is 499399949. The next prime is 499400017. The reversal of 499400000 is 4994.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2199887 + ... + 2200113.

It is an arithmetic number, because the mean of its divisors is an integer number (8078724).

Almost surely, 2^499400000 is an apocalyptic number.

499400000 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 499400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678612816).

499400000 is an abundant number, since it is smaller than the sum of its proper divisors (857825632).

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

499400000 is an equidigital number, since it uses as much as digits as its factorization.

499400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 499400000 is about 22347.2593397938. The cubic root of 499400000 is about 793.3829186969.

Adding to 499400000 its reverse (4994), we get a palindrome (499404994).

499400000 divided by its reverse (4994) gives a 5-th power (100000 = 10⁵).

It can be divided in two parts, 49 and 9400000, that added together give a palindrome (9400049).

The spelling of 499400000 in words is "four hundred ninety-nine million, four hundred thousand".