499819320 has 768 divisors, whose sum is σ = 2327270400. Its totient is φ = 89579520.

The previous prime is 499819297. The next prime is 499819343. The reversal of 499819320 is 23918994.

It is an interprime number because it is at equal distance from previous prime (499819297) and next prime (499819343).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6846804 + ... + 6846876.

It is an arithmetic number, because the mean of its divisors is an integer number (3030300).

Almost surely, 2^499819320 is an apocalyptic number.

499819320 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 499819320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1163635200).

499819320 is an abundant number, since it is smaller than the sum of its proper divisors (1827451080).

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

499819320 is a wasteful number, since it uses less digits than its factorization.

499819320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 499819320 is about 22356.6392823251. The cubic root of 499819320 is about 793.6049105920.

The spelling of 499819320 in words is "four hundred ninety-nine million, eight hundred nineteen thousand, three hundred twenty".