497159117280 has 480 divisors, whose sum is σ = 2069904291840. Its totient is φ = 109970058240.

The previous prime is 497159117227. The next prime is 497159117293. The reversal of 497159117280 is 82711951794.

497159117280 is a `hidden beast` number, since 49 + 7 + 1 + 591 + 1 + 7 + 2 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

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

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2723931 + ... + 2900709.

It is an arithmetic number, because the mean of its divisors is an integer number (4312300608).

Almost surely, 2^497159117280 is an apocalyptic number.

497159117280 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 497159117280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1034952145920).

497159117280 is an abundant number, since it is smaller than the sum of its proper divisors (1572745174560).

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

497159117280 is a wasteful number, since it uses less digits than its factorization.

497159117280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176844 (or 176827 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 54.

The spelling of 497159117280 in words is "four hundred ninety-seven billion, one hundred fifty-nine million, one hundred seventeen thousand, two hundred eighty".