497781287958528 has 2304 divisors, whose sum is σ = 1889626152960000. Its totient is φ = 130365075456000.

The previous prime is 497781287958499. The next prime is 497781287958533. The reversal of 497781287958528 is 825859782187794.

497781287958528 is a `hidden beast` number, since 4 + 9 + 7 + 7 + 8 + 1 + 2 + 8 + 79 + 5 + 8 + 528 = 666.

It is a tau number, because it is divible by the number of its divisors (2304).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 100541562453 + ... + 100541567403.

It is an arithmetic number, because the mean of its divisors is an integer number (820150240000).

Almost surely, 2^{497781287958528} is an apocalyptic number.

497781287958528 is a gapful number since it is divisible by the number (48) 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 497781287958528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (944813076480000).

497781287958528 is an abundant number, since it is smaller than the sum of its proper divisors (1391844865001472).

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

497781287958528 is an equidigital number, since it uses as much as digits as its factorization.

497781287958528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5059 (or 5013 counting only the distinct ones).

The product of its digits is 45519667200, while the sum is 90.

The spelling of 497781287958528 in words is "four hundred ninety-seven trillion, seven hundred eighty-one billion, two hundred eighty-seven million, nine hundred fifty-eight thousand, five hundred twenty-eight".