499201280 has 36 divisors (see below), whose sum is σ = 1195746132. Its totient is φ = 199680000.

The previous prime is 499201271. The next prime is 499201303. The reversal of 499201280 is 82102994.

It can be written as a sum of positive squares in 2 ways, for example, as 382906624 + 116294656 = 19568^2 + 10784^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 499201280.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193721 + ... + 196280.

Almost surely, 2^499201280 is an apocalyptic number.

499201280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

499201280 is an abundant number, since it is smaller than the sum of its proper divisors (696544852).

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

499201280 is an equidigital number, since it uses as much as digits as its factorization.

499201280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390022 (or 390008 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 499201280 is about 22342.8127146069. The cubic root of 499201280 is about 793.2776710863.

The spelling of 499201280 in words is "four hundred ninety-nine million, two hundred one thousand, two hundred eighty".