498508338240 has 672 divisors, whose sum is σ = 2001414579840. Its totient is φ = 112604774400.

The previous prime is 498508338217. The next prime is 498508338257. The reversal of 498508338240 is 42833805894.

498508338240 is a `hidden beast` number, since 4 + 98 + 508 + 3 + 3 + 8 + 2 + 40 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 36710332 + ... + 36723908.

Almost surely, 2^498508338240 is an apocalyptic number.

498508338240 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 498508338240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1000707289920).

498508338240 is an abundant number, since it is smaller than the sum of its proper divisors (1502906241600).

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

498508338240 is a wasteful number, since it uses less digits than its factorization.

498508338240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13691 (or 13678 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 498508338240 in words is "four hundred ninety-eight billion, five hundred eight million, three hundred thirty-eight thousand, two hundred forty".