499816120 has 32 divisors (see below), whose sum is σ = 1133452800. Its totient is φ = 198350208.

The previous prime is 499816111. The next prime is 499816139. The reversal of 499816120 is 21618994.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44115 + ... + 54274.

It is an arithmetic number, because the mean of its divisors is an integer number (35420400).

Almost surely, 2^499816120 is an apocalyptic number.

499816120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

499816120 is an abundant number, since it is smaller than the sum of its proper divisors (633636680).

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

499816120 is a wasteful number, since it uses less digits than its factorization.

499816120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98527 (or 98523 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 499816120 is about 22356.5677151033. The cubic root of 499816120 is about 793.6032169525.

The spelling of 499816120 in words is "four hundred ninety-nine million, eight hundred sixteen thousand, one hundred twenty".