519999527272680 has 1920 divisors, whose sum is σ = 2224568399961600. Its totient is φ = 106596063535104.

The previous prime is 519999527272657. The next prime is 519999527272777. The reversal of 519999527272680 is 86272725999915.

519999527272680 is a `hidden beast` number, since 5 + 1 + 9 + 9 + 9 + 9 + 527 + 2 + 7 + 2 + 6 + 80 = 666.

It is a super-2 number, since 2×519999527272680² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a self number, because there is not a number n which added to its sum of digits gives 519999527272680.

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 117567152949 + ... + 117567157371.

It is an arithmetic number, because the mean of its divisors is an integer number (1158629374980).

Almost surely, 2^{519999527272680} 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 519999527272680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1112284199980800).

519999527272680 is an abundant number, since it is smaller than the sum of its proper divisors (1704568872688920).

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

519999527272680 is a wasteful number, since it uses less digits than its factorization.

519999527272680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5345 (or 5319 counting only the distinct ones).

The product of its (nonzero) digits is 3086294400, while the sum is 81.

The spelling of 519999527272680 in words is "five hundred nineteen trillion, nine hundred ninety-nine billion, five hundred twenty-seven million, two hundred seventy-two thousand, six hundred eighty".