496685640 has 192 divisors, whose sum is σ = 1662393600. Its totient is φ = 118609920.

The previous prime is 496685611. The next prime is 496685663. The reversal of 496685640 is 46586694.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 496685640.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1146864 + ... + 1147296.

It is an arithmetic number, because the mean of its divisors is an integer number (8658300).

Almost surely, 2^496685640 is an apocalyptic number.

496685640 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 496685640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (831196800).

496685640 is an abundant number, since it is smaller than the sum of its proper divisors (1165707960).

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

496685640 is a wasteful number, since it uses less digits than its factorization.

496685640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The square root of 496685640 is about 22286.4452077939. The cubic root of 496685640 is about 791.9428971176.

The spelling of 496685640 in words is "four hundred ninety-six million, six hundred eighty-five thousand, six hundred forty".