499275720 has 192 divisors, whose sum is σ = 1793301120. Its totient is φ = 119826432.

The previous prime is 499275701. The next prime is 499275727. The reversal of 499275720 is 27572994.

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

It is not an unprimeable number, because it can be changed into a prime (499275727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138987 + ... + 142533.

It is an arithmetic number, because the mean of its divisors is an integer number (9340110).

Almost surely, 2^499275720 is an apocalyptic number.

499275720 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 499275720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (896650560).

499275720 is an abundant number, since it is smaller than the sum of its proper divisors (1294025400).

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

499275720 is a wasteful number, since it uses less digits than its factorization.

499275720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3604 (or 3597 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 499275720 is about 22344.4785125990. The cubic root of 499275720 is about 793.3170998412.

The spelling of 499275720 in words is "four hundred ninety-nine million, two hundred seventy-five thousand, seven hundred twenty".