499574656 has 64 divisors (see below), whose sum is σ = 1161722880. Its totient is φ = 209530368.

The previous prime is 499574633. The next prime is 499574671. The reversal of 499574656 is 656475994.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 499574597 and 499574606.

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, 36181 + ... + 48043.

It is an arithmetic number, because the mean of its divisors is an integer number (18151920).

Almost surely, 2^499574656 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 499574656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580861440).

499574656 is an abundant number, since it is smaller than the sum of its proper divisors (662148224).

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

499574656 is a wasteful number, since it uses less digits than its factorization.

499574656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11931 (or 11919 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 55.

The square root of 499574656 is about 22351.1667704395. The cubic root of 499574656 is about 793.4753982965.

The spelling of 499574656 in words is "four hundred ninety-nine million, five hundred seventy-four thousand, six hundred fifty-six".