499493760 has 128 divisors (see below), whose sum is σ = 1661506560. Its totient is φ = 127395840.

The previous prime is 499493723. The next prime is 499493789. The reversal of 499493760 is 67394994.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38505 + ... + 49815.

It is an arithmetic number, because the mean of its divisors is an integer number (12980520).

Almost surely, 2^499493760 is an apocalyptic number.

499493760 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 499493760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (830753280).

499493760 is an abundant number, since it is smaller than the sum of its proper divisors (1162012800).

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

499493760 is a wasteful number, since it uses less digits than its factorization.

499493760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11356 (or 11344 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 51.

The square root of 499493760 is about 22349.3570377315. The cubic root of 499493760 is about 793.4325668932.

The spelling of 499493760 in words is "four hundred ninety-nine million, four hundred ninety-three thousand, seven hundred sixty".