497253947904 has 960 divisors, whose sum is σ = 1798416322560. Its totient is φ = 129113948160.

The previous prime is 497253947899. The next prime is 497253947929. The reversal of 497253947904 is 409749352794.

497253947904 is a `hidden beast` number, since 4 + 9 + 7 + 2 + 539 + 4 + 7 + 90 + 4 = 666.

It is a super-2 number, since 2×497253947904² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1757080947 + ... + 1757081229.

It is an arithmetic number, because the mean of its divisors is an integer number (1873350336).

Almost surely, 2^497253947904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497253947904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (899208161280).

497253947904 is an abundant number, since it is smaller than the sum of its proper divisors (1301162374656).

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

497253947904 is a wasteful number, since it uses less digits than its factorization.

497253947904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 63.

The spelling of 497253947904 in words is "four hundred ninety-seven billion, two hundred fifty-three million, nine hundred forty-seven thousand, nine hundred four".