498539020518 has 192 divisors, whose sum is σ = 1365704271360. Its totient is φ = 127676390400.

The previous prime is 498539020493. The next prime is 498539020537. The reversal of 498539020518 is 815020935894.

498539020518 is a `hidden beast` number, since 4 + 98 + 5 + 39 + 0 + 2 + 0 + 518 = 666.

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 95 ways as a sum of consecutive naturals, for example, 28497118 + ... + 28514606.

It is an arithmetic number, because the mean of its divisors is an integer number (7113043080).

Almost surely, 2^498539020518 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 498539020518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (682852135680).

498539020518 is an abundant number, since it is smaller than the sum of its proper divisors (867165250842).

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

498539020518 is a wasteful number, since it uses less digits than its factorization.

498539020518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17803 (or 17800 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 498539020518 in words is "four hundred ninety-eight billion, five hundred thirty-nine million, twenty thousand, five hundred eighteen".