499435462656 has 672 divisors, whose sum is σ = 1657823293440. Its totient is φ = 148370227200.

The previous prime is 499435462553. The next prime is 499435462741. The reversal of 499435462656 is 656264534994.

499435462656 is a `hidden beast` number, since 4 + 9 + 94 + 35 + 462 + 6 + 56 = 666.

Its product of digits (167961600) is a multiple of the sum of its prime divisors (480).

It is a junction number, because it is equal to n+sod(n) for n = 499435462593 and 499435462602.

It is a congruent number.

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, 1158782761 + ... + 1158783191.

Almost surely, 2^499435462656 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 499435462656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (828911646720).

499435462656 is an abundant number, since it is smaller than the sum of its proper divisors (1158387830784).

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

499435462656 is a wasteful number, since it uses less digits than its factorization.

499435462656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 480 counting only the distinct ones).

The product of its digits is 167961600, while the sum is 63.

The spelling of 499435462656 in words is "four hundred ninety-nine billion, four hundred thirty-five million, four hundred sixty-two thousand, six hundred fifty-six".