498689280 has 216 divisors, whose sum is σ = 1751998248. Its totient is φ = 130940928.

The previous prime is 498689251. The next prime is 498689309. The reversal of 498689280 is 82986894.

498689280 is a `hidden beast` number, since 498 + 68 + 92 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (498689251) and next prime (498689309).

It can be written as a sum of positive squares in 4 ways, for example, as 80568576 + 418120704 = 8976^2 + 20448^2 .

It is a super-3 number, since 3×498689280³ (a number of 27 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 840664 + ... + 841256.

It is an arithmetic number, because the mean of its divisors is an integer number (8111103).

Almost surely, 2^498689280 is an apocalyptic number.

498689280 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 498689280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (875999124).

498689280 is an abundant number, since it is smaller than the sum of its proper divisors (1253308968).

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

498689280 is a wasteful number, since it uses less digits than its factorization.

498689280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The square root of 498689280 is about 22331.3519519083. The cubic root of 498689280 is about 793.0063729678.

The spelling of 498689280 in words is "four hundred ninety-eight million, six hundred eighty-nine thousand, two hundred eighty".