499804040 has 32 divisors (see below), whose sum is σ = 1125279000. Its totient is φ = 199793664.

The previous prime is 499804031. The next prime is 499804061. The reversal of 499804040 is 40408994.

It can be written as a sum of positive squares in 4 ways, for example, as 228674884 + 271129156 = 15122^2 + 16466^2 .

It is a junction number, because it is equal to n+sod(n) for n = 499803985 and 499804003.

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, 82226 + ... + 88094.

Almost surely, 2^499804040 is an apocalyptic number.

499804040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

499804040 is an abundant number, since it is smaller than the sum of its proper divisors (625474960).

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

499804040 is a wasteful number, since it uses less digits than its factorization.

499804040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8009 (or 8005 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 499804040 is about 22356.2975467764. The cubic root of 499804040 is about 793.5968233985.

It can be divided in two parts, 49 and 9804040, that added together give a palindrome (9804089).

The spelling of 499804040 in words is "four hundred ninety-nine million, eight hundred four thousand, forty".