497525656320 has 2304 divisors, whose sum is σ = 2347906498560. Its totient is φ = 96745881600.

The previous prime is 497525656319. The next prime is 497525656379. The reversal of 497525656320 is 23656525794.

It is a happy number.

497525656320 is a `hidden beast` number, since 4 + 9 + 7 + 5 + 2 + 56 + 563 + 20 = 666.

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

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

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 255 ways as a sum of consecutive naturals, for example, 3052304559 + ... + 3052304721.

It is an arithmetic number, because the mean of its divisors is an integer number (1019056640).

Almost surely, 2^497525656320 is an apocalyptic number.

497525656320 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 497525656320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1173953249280).

497525656320 is an abundant number, since it is smaller than the sum of its proper divisors (1850380842240).

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

497525656320 is a wasteful number, since it uses less digits than its factorization.

497525656320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 54.

The spelling of 497525656320 in words is "four hundred ninety-seven billion, five hundred twenty-five million, six hundred fifty-six thousand, three hundred twenty".