499999405600 has 72 divisors (see below), whose sum is σ = 1236074636160. Its totient is φ = 197468094720.

The previous prime is 499999405523. The next prime is 499999405643. The reversal of 499999405600 is 6504999994.

It is a super-2 number, since 2×499999405600² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3892492 + ... + 4018891.

It is an arithmetic number, because the mean of its divisors is an integer number (17167703280).

Almost surely, 2^499999405600 is an apocalyptic number.

499999405600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

499999405600 is an abundant number, since it is smaller than the sum of its proper divisors (736075230560).

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

499999405600 is a wasteful number, since it uses less digits than its factorization.

499999405600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7911482 (or 7911469 counting only the distinct ones).

The product of its (nonzero) digits is 28343520, while the sum is 64.

It can be divided in two parts, 499999405 and 600, that added together give a palindrome (500000005).

The spelling of 499999405600 in words is "four hundred ninety-nine billion, nine hundred ninety-nine million, four hundred five thousand, six hundred".