499522464 has 504 divisors, whose sum is σ = 1883982240. Its totient is φ = 129330432.

The previous prime is 499522423. The next prime is 499522481. The reversal of 499522464 is 464225994.

It is a tau number, because it is divible by the number of its divisors (504).

Its product of digits (622080) is a multiple of the sum of its prime divisors (54).

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 21718357 + ... + 21718379.

It is an arithmetic number, because the mean of its divisors is an integer number (3738060).

Almost surely, 2^499522464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499522464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (941991120).

499522464 is an abundant number, since it is smaller than the sum of its proper divisors (1384459776).

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

499522464 is a wasteful number, since it uses less digits than its factorization.

499522464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 54 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 499522464 is about 22349.9991946309. Note that the first 3 decimals coincide. The cubic root of 499522464 is about 793.4477651158.

The spelling of 499522464 in words is "four hundred ninety-nine million, five hundred twenty-two thousand, four hundred sixty-four".