497369520 has 120 divisors (see below), whose sum is σ = 1676428416. Its totient is φ = 132148224.

The previous prime is 497369501. The next prime is 497369573. The reversal of 497369520 is 25963794.

It is a happy number.

497369520 is a `hidden beast` number, since 4 + 97 + 36 + 9 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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 (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224257 + ... + 226463.

Almost surely, 2^497369520 is an apocalyptic number.

497369520 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 497369520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (838214208).

497369520 is an abundant number, since it is smaller than the sum of its proper divisors (1179058896).

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

497369520 is a wasteful number, since it uses less digits than its factorization.

497369520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539 (or 2530 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 497369520 is about 22301.7828883702. The cubic root of 497369520 is about 792.3062023846.

The spelling of 497369520 in words is "four hundred ninety-seven million, three hundred sixty-nine thousand, five hundred twenty".