497288520 has 384 divisors, whose sum is σ = 1853280000. Its totient is φ = 114960384.

The previous prime is 497288513. The next prime is 497288557. The reversal of 497288520 is 25882794.

497288520 is a `hidden beast` number, since 49 + 7 + 2 + 88 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4562226 + ... + 4562334.

It is an arithmetic number, because the mean of its divisors is an integer number (4826250).

Almost surely, 2^497288520 is an apocalyptic number.

497288520 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 497288520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (926640000).

497288520 is an abundant number, since it is smaller than the sum of its proper divisors (1355991480).

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

497288520 is a wasteful number, since it uses less digits than its factorization.

497288520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 497288520 is about 22299.9668161188. The cubic root of 497288520 is about 792.2631892364.

The spelling of 497288520 in words is "four hundred ninety-seven million, two hundred eighty-eight thousand, five hundred twenty".