500280812136 has 128 divisors (see below), whose sum is σ = 1588803552000. Its totient is φ = 142882430976.

The previous prime is 500280812099. The next prime is 500280812191. The reversal of 500280812136 is 631218082005.

It is a happy number.

500280812136 is a `hidden beast` number, since 500 + 2 + 8 + 0 + 8 + 12 + 136 = 666.

500280812136 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 500280812136.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3955120 + ... + 4079648.

It is an arithmetic number, because the mean of its divisors is an integer number (12412527750).

Almost surely, 2^500280812136 is an apocalyptic number.

500280812136 is a gapful number since it is divisible by the number (56) 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 500280812136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (794401776000).

500280812136 is an abundant number, since it is smaller than the sum of its proper divisors (1088522739864).

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

500280812136 is a wasteful number, since it uses less digits than its factorization.

500280812136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127208 (or 127198 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 500280812136 in words is "five hundred billion, two hundred eighty million, eight hundred twelve thousand, one hundred thirty-six".