498321680 has 160 divisors (see below), whose sum is σ = 1301702400. Its totient is φ = 176439296.

The previous prime is 498321643. The next prime is 498321713. The reversal of 498321680 is 86123894.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2783831 + ... + 2784009.

It is an arithmetic number, because the mean of its divisors is an integer number (8135640).

Almost surely, 2^498321680 is an apocalyptic number.

498321680 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 498321680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650851200).

498321680 is an abundant number, since it is smaller than the sum of its proper divisors (803380720).

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

498321680 is a wasteful number, since it uses less digits than its factorization.

498321680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 498321680 is about 22323.1198536405. The cubic root of 498321680 is about 792.8114748548.

The spelling of 498321680 in words is "four hundred ninety-eight million, three hundred twenty-one thousand, six hundred eighty".