497819520 has 448 divisors, whose sum is σ = 1966613040. Its totient is φ = 119439360.

The previous prime is 497819501. The next prime is 497819561. The reversal of 497819520 is 25918794.

497819520 is a `hidden beast` number, since 49 + 7 + 81 + 9 + 520 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 5132112 + ... + 5132208.

Almost surely, 2^497819520 is an apocalyptic number.

497819520 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 497819520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (983306520).

497819520 is an abundant number, since it is smaller than the sum of its proper divisors (1468793520).

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

497819520 is an equidigital number, since it uses as much as digits as its factorization.

497819520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 497819520 is about 22311.8694868897. The cubic root of 497819520 is about 792.5450793187.

The spelling of 497819520 in words is "four hundred ninety-seven million, eight hundred nineteen thousand, five hundred twenty".