497489747328 has 768 divisors, whose sum is σ = 1831916736000. Its totient is φ = 126154506240.

The previous prime is 497489747297. The next prime is 497489747351. The reversal of 497489747328 is 823747984794.

497489747328 is a `hidden beast` number, since 4 + 9 + 7 + 48 + 97 + 473 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1013217163 + ... + 1013217653.

It is an arithmetic number, because the mean of its divisors is an integer number (2385308250).

Almost surely, 2^497489747328 is an apocalyptic number.

497489747328 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 497489747328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (915958368000).

497489747328 is an abundant number, since it is smaller than the sum of its proper divisors (1334426988672).

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

497489747328 is a wasteful number, since it uses less digits than its factorization.

497489747328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943 (or 928 counting only the distinct ones).

The product of its digits is 682795008, while the sum is 72.

The spelling of 497489747328 in words is "four hundred ninety-seven billion, four hundred eighty-nine million, seven hundred forty-seven thousand, three hundred twenty-eight".