499394400 has 288 divisors, whose sum is σ = 1732389120. Its totient is φ = 124692480.

The previous prime is 499394393. The next prime is 499394417. The reversal of 499394400 is 4493994.

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 47 ways as a sum of consecutive naturals, for example, 4581546 + ... + 4581654.

It is an arithmetic number, because the mean of its divisors is an integer number (6015240).

Almost surely, 2^499394400 is an apocalyptic number.

499394400 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 499394400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (866194560).

499394400 is an abundant number, since it is smaller than the sum of its proper divisors (1232994720).

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

499394400 is a wasteful number, since it uses less digits than its factorization.

499394400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 499394400 is about 22347.1340444362. The cubic root of 499394400 is about 793.3799531643.

The spelling of 499394400 in words is "four hundred ninety-nine million, three hundred ninety-four thousand, four hundred".