500838156056 has 128 divisors (see below), whose sum is σ = 1099160616960. Its totient is φ = 209525097600.

The previous prime is 500838155999. The next prime is 500838156079. The reversal of 500838156056 is 650651838005.

It is a self number, because there is not a number n which added to its sum of digits gives 500838156056.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 409515461 + ... + 409516683.

It is an arithmetic number, because the mean of its divisors is an integer number (8587192320).

Almost surely, 2^500838156056 is an apocalyptic number.

500838156056 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 500838156056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549580308480).

500838156056 is an abundant number, since it is smaller than the sum of its proper divisors (598322460904).

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

500838156056 is a wasteful number, since it uses less digits than its factorization.

500838156056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245 (or 2241 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 47.

The spelling of 500838156056 in words is "five hundred billion, eight hundred thirty-eight million, one hundred fifty-six thousand, fifty-six".