497208540 has 24 divisors (see below), whose sum is σ = 1392184080. Its totient is φ = 132588928.

The previous prime is 497208539. The next prime is 497208577. The reversal of 497208540 is 45802794.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4143345 + ... + 4143464.

It is an arithmetic number, because the mean of its divisors is an integer number (58007670).

Almost surely, 2^497208540 is an apocalyptic number.

It is an amenable number.

497208540 is an abundant number, since it is smaller than the sum of its proper divisors (894975540).

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

497208540 is a wasteful number, since it uses less digits than its factorization.

497208540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8286821 (or 8286819 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 497208540 is about 22298.1734677978. The cubic root of 497208540 is about 792.2207131522.

The spelling of 497208540 in words is "four hundred ninety-seven million, two hundred eight thousand, five hundred forty".