497987850240 has 312 divisors, whose sum is σ = 1729379328768. Its totient is φ = 132548198400.

The previous prime is 497987850197. The next prime is 497987850247. The reversal of 497987850240 is 42058789794.

497987850240 is a `hidden beast` number, since 4 + 9 + 7 + 9 + 87 + 8 + 502 + 40 = 666.

It is not an unprimeable number, because it can be changed into a prime (497987850247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111880015 + ... + 111884465.

It is an arithmetic number, because the mean of its divisors is an integer number (5542882464).

Almost surely, 2^497987850240 is an apocalyptic number.

497987850240 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 497987850240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (864689664384).

497987850240 is an abundant number, since it is smaller than the sum of its proper divisors (1231391478528).

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

497987850240 is a wasteful number, since it uses less digits than its factorization.

497987850240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5093 (or 5068 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 63.

The spelling of 497987850240 in words is "four hundred ninety-seven billion, nine hundred eighty-seven million, eight hundred fifty thousand, two hundred forty".