499907520 has 336 divisors, whose sum is σ = 1990392768. Its totient is φ = 112803840.

The previous prime is 499907509. The next prime is 499907533. The reversal of 499907520 is 25709994.

499907520 is a `hidden beast` number, since 499 + 90 + 75 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2761830 + ... + 2762010.

It is an arithmetic number, because the mean of its divisors is an integer number (5923788).

Almost surely, 2^499907520 is an apocalyptic number.

499907520 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 499907520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (995196384).

499907520 is an abundant number, since it is smaller than the sum of its proper divisors (1490485248).

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

499907520 is a wasteful number, since it uses less digits than its factorization.

499907520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 499907520 is about 22358.6117637030. The cubic root of 499907520 is about 793.6515886837.

The spelling of 499907520 in words is "four hundred ninety-nine million, nine hundred seven thousand, five hundred twenty".