499455532800 has 972 divisors, whose sum is σ = 2110351960080. Its totient is φ = 110392934400.

The previous prime is 499455532789. The next prime is 499455532801. The reversal of 499455532800 is 8235554994.

499455532800 is a `hidden beast` number, since 4 + 9 + 9 + 4 + 5 + 553 + 2 + 80 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499455532801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 387474556 + ... + 387475844.

Almost surely, 2^499455532800 is an apocalyptic number.

499455532800 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 499455532800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1055175980040).

499455532800 is an abundant number, since it is smaller than the sum of its proper divisors (1610896427280).

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

499455532800 is a wasteful number, since it uses less digits than its factorization.

499455532800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390 (or 1337 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 54.

The spelling of 499455532800 in words is "four hundred ninety-nine billion, four hundred fifty-five million, five hundred thirty-two thousand, eight hundred".