499318560 has 384 divisors, whose sum is σ = 1996565760. Its totient is φ = 115458048.

The previous prime is 499318517. The next prime is 499318579. The reversal of 499318560 is 65813994.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 954459 + ... + 954981.

It is an arithmetic number, because the mean of its divisors is an integer number (5199390).

Almost surely, 2^499318560 is an apocalyptic number.

499318560 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 499318560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (998282880).

499318560 is an abundant number, since it is smaller than the sum of its proper divisors (1497247200).

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

499318560 is a wasteful number, since it uses less digits than its factorization.

499318560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 499318560 is about 22345.4371181232. The cubic root of 499318560 is about 793.3397891965.

The spelling of 499318560 in words is "four hundred ninety-nine million, three hundred eighteen thousand, five hundred sixty".