497791042560 has 352 divisors, whose sum is σ = 2021786200320. Its totient is φ = 113780588544.

The previous prime is 497791042549. The next prime is 497791042579. The reversal of 497791042560 is 65240197794.

497791042560 is a `hidden beast` number, since 4 + 9 + 7 + 79 + 1 + 0 + 4 + 2 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 497791042497 and 497791042506.

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, 710472 + ... + 1224888.

Almost surely, 2^497791042560 is an apocalyptic number.

497791042560 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 497791042560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1010893100160).

497791042560 is an abundant number, since it is smaller than the sum of its proper divisors (1523995157760).

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

497791042560 is a wasteful number, since it uses less digits than its factorization.

497791042560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514458 (or 514434 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 497791042560 in words is "four hundred ninety-seven billion, seven hundred ninety-one million, forty-two thousand, five hundred sixty".