499430646000 has 1440 divisors, whose sum is σ = 2135178339840. Its totient is φ = 107965440000.

The previous prime is 499430645963. The next prime is 499430646007. The reversal of 499430646000 is 646034994.

It is a happy number.

499430646000 is a `hidden beast` number, since 4 + 9 + 9 + 4 + 30 + 6 + 4 + 600 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499430646007) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 877733716 + ... + 877734284.

It is an arithmetic number, because the mean of its divisors is an integer number (1482762736).

Almost surely, 2^499430646000 is an apocalyptic number.

499430646000 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 499430646000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1067589169920).

499430646000 is an abundant number, since it is smaller than the sum of its proper divisors (1635747693840).

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

499430646000 is a wasteful number, since it uses less digits than its factorization.

499430646000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 499430646000 in words is "four hundred ninety-nine billion, four hundred thirty million, six hundred forty-six thousand".