499043520 has 168 divisors, whose sum is σ = 1726021440. Its totient is φ = 132341760.

The previous prime is 499043473. The next prime is 499043521. The reversal of 499043520 is 25340994.

499043520 is a `hidden beast` number, since 4 + 9 + 90 + 43 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (499043521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 693721 + ... + 694439.

Almost surely, 2^499043520 is an apocalyptic number.

499043520 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 499043520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863010720).

499043520 is an abundant number, since it is smaller than the sum of its proper divisors (1226977920).

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

499043520 is a wasteful number, since it uses less digits than its factorization.

499043520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 499043520 is about 22339.2819938332. The cubic root of 499043520 is about 793.1940971346.

The spelling of 499043520 in words is "four hundred ninety-nine million, forty-three thousand, five hundred twenty".