499726144 has 112 divisors (see below), whose sum is σ = 1111910400. Its totient is φ = 221792256.

The previous prime is 499726141. The next prime is 499726153. The reversal of 499726144 is 441627994.

It is a junction number, because it is equal to n+sod(n) for n = 499726094 and 499726103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499726141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1304577 + ... + 1304959.

Almost surely, 2^499726144 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 499726144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555955200).

499726144 is an abundant number, since it is smaller than the sum of its proper divisors (612184256).

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

499726144 is a wasteful number, since it uses less digits than its factorization.

499726144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 470 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 499726144 is about 22354.5553299546. Note that the first 3 decimals coincide. The cubic root of 499726144 is about 793.5555930862. Note that the first 4 decimals are identical.

The spelling of 499726144 in words is "four hundred ninety-nine million, seven hundred twenty-six thousand, one hundred forty-four".