499064280 has 256 divisors, whose sum is σ = 1780531200. Its totient is φ = 110315520.

The previous prime is 499064273. The next prime is 499064299. The reversal of 499064280 is 82460994.

It is a super-3 number, since 3×499064280³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2179206 + ... + 2179434.

It is an arithmetic number, because the mean of its divisors is an integer number (6955200).

Almost surely, 2^499064280 is an apocalyptic number.

499064280 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 499064280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (890265600).

499064280 is an abundant number, since it is smaller than the sum of its proper divisors (1281466920).

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

499064280 is a wasteful number, since it uses less digits than its factorization.

499064280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 499064280 is about 22339.7466413565. The cubic root of 499064280 is about 793.2050958287.

The spelling of 499064280 in words is "four hundred ninety-nine million, sixty-four thousand, two hundred eighty".