497249064 has 128 divisors (see below), whose sum is σ = 1512403200. Its totient is φ = 150439680.

The previous prime is 497249047. The next prime is 497249087. The reversal of 497249064 is 460942794.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169837 + ... + 172739.

It is an arithmetic number, because the mean of its divisors is an integer number (11815650).

Almost surely, 2^497249064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497249064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (756201600).

497249064 is an abundant number, since it is smaller than the sum of its proper divisors (1015154136).

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

497249064 is a wasteful number, since it uses less digits than its factorization.

497249064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992 (or 2982 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 497249064 is about 22299.0821335767. The cubic root of 497249064 is about 792.2422353623.

The spelling of 497249064 in words is "four hundred ninety-seven million, two hundred forty-nine thousand, sixty-four".