499996520 has 64 divisors (see below), whose sum is σ = 1229644800. Its totient is φ = 182154240.

The previous prime is 499996499. The next prime is 499996543. The reversal of 499996520 is 25699994.

It is a super-2 number, since 2×499996520² = 499993040024220800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9221 + ... + 32939.

It is an arithmetic number, because the mean of its divisors is an integer number (19213200).

Almost surely, 2^499996520 is an apocalyptic number.

499996520 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 499996520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614822400).

499996520 is an abundant number, since it is smaller than the sum of its proper divisors (729648280).

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

499996520 is a wasteful number, since it uses less digits than its factorization.

499996520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23778 (or 23774 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 53.

The square root of 499996520 is about 22360.6019596969. The cubic root of 499996520 is about 793.6986845946.

The spelling of 499996520 in words is "four hundred ninety-nine million, nine hundred ninety-six thousand, five hundred twenty".