499999475712 has 288 divisors, whose sum is σ = 1499375797920. Its totient is φ = 147981926400.

The previous prime is 499999475707. The next prime is 499999475713. The reversal of 499999475712 is 217574999994.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (499999475713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31959412 + ... + 31975052.

It is an arithmetic number, because the mean of its divisors is an integer number (5206165965).

Almost surely, 2^499999475712 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 499999475712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749687898960).

499999475712 is an abundant number, since it is smaller than the sum of its proper divisors (999376322208).

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

499999475712 is a wasteful number, since it uses less digits than its factorization.

499999475712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15731 (or 15700 counting only the distinct ones).

The product of its digits is 462944160, while the sum is 75.

The spelling of 499999475712 in words is "four hundred ninety-nine billion, nine hundred ninety-nine million, four hundred seventy-five thousand, seven hundred twelve".