499227840 has 112 divisors (see below), whose sum is σ = 1761195360. Its totient is φ = 133125120.

The previous prime is 499227823. The next prime is 499227853. The reversal of 499227840 is 48722994.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20251 + ... + 37530.

Almost surely, 2^499227840 is an apocalyptic number.

499227840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

499227840 is an abundant number, since it is smaller than the sum of its proper divisors (1261967520).

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

499227840 is a wasteful number, since it uses less digits than its factorization.

499227840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57807 (or 57791 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 499227840 is about 22343.4070812846. The cubic root of 499227840 is about 793.2917396141.

The spelling of 499227840 in words is "four hundred ninety-nine million, two hundred twenty-seven thousand, eight hundred forty".