508378655928 has 192 divisors, whose sum is σ = 1498537514880. Its totient is φ = 141691334400.

The previous prime is 508378655867. The next prime is 508378656013. The reversal of 508378655928 is 829556873805.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 735714063 + ... + 735714753.

It is an arithmetic number, because the mean of its divisors is an integer number (7804882890).

Almost surely, 2^508378655928 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 508378655928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749268757440).

508378655928 is an abundant number, since it is smaller than the sum of its proper divisors (990158858952).

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

508378655928 is a wasteful number, since it uses less digits than its factorization.

508378655928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650 (or 1183 counting only the distinct ones).

The product of its (nonzero) digits is 145152000, while the sum is 66.

The spelling of 508378655928 in words is "five hundred eight billion, three hundred seventy-eight million, six hundred fifty-five thousand, nine hundred twenty-eight".