497435568 has 80 divisors (see below), whose sum is σ = 1474953216. Its totient is φ = 141511680.

The previous prime is 497435557. The next prime is 497435593. The reversal of 497435568 is 865534794.

It is a super-2 number, since 2×497435568² = 494884288622965248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 497435568.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77905 + ... + 84047.

Almost surely, 2^497435568 is an apocalyptic number.

497435568 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 497435568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737476608).

497435568 is an abundant number, since it is smaller than the sum of its proper divisors (977517648).

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

497435568 is a wasteful number, since it uses less digits than its factorization.

497435568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6402 (or 6396 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 51.

The square root of 497435568 is about 22303.2636176861. The cubic root of 497435568 is about 792.3412721679.

The spelling of 497435568 in words is "four hundred ninety-seven million, four hundred thirty-five thousand, five hundred sixty-eight".