519868823000 has 128 divisors (see below), whose sum is σ = 1355844484800. Its totient is φ = 185414400000.

The previous prime is 519868822919. The next prime is 519868823003. The reversal of 519868823000 is 328868915.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 519868823000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (519868823003) by changing a digit.

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, 481751 + ... + 1127750.

Almost surely, 2^519868823000 is an apocalyptic number.

519868823000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

519868823000 is an abundant number, since it is smaller than the sum of its proper divisors (835975661800).

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

519868823000 is a wasteful number, since it uses less digits than its factorization.

519868823000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609558 (or 1609544 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 519868823000 in words is "five hundred nineteen billion, eight hundred sixty-eight million, eight hundred twenty-three thousand".