499652705640 has 256 divisors, whose sum is σ = 1707325931520. Its totient is φ = 115793469440.

The previous prime is 499652705639. The next prime is 499652705641. The reversal of 499652705640 is 46507256994.

It is an interprime number because it is at equal distance from previous prime (499652705639) and next prime (499652705641).

It is not an unprimeable number, because it can be changed into a prime (499652705641) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 67000792 + ... + 67008248.

It is an arithmetic number, because the mean of its divisors is an integer number (6669241920).

Almost surely, 2^499652705640 is an apocalyptic number.

499652705640 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 499652705640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (853662965760).

499652705640 is an abundant number, since it is smaller than the sum of its proper divisors (1207673225880).

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

499652705640 is a wasteful number, since it uses less digits than its factorization.

499652705640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9712 (or 9708 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 57.

The spelling of 499652705640 in words is "four hundred ninety-nine billion, six hundred fifty-two million, seven hundred five thousand, six hundred forty".