504555216672780 has 1728 divisors, whose sum is σ = 2142382703247360. Its totient is φ = 97598622643200.

The previous prime is 504555216672739. The next prime is 504555216672929. The reversal of 504555216672780 is 87276612555405.

504555216672780 is a `hidden beast` number, since 5 + 0 + 4 + 5 + 5 + 521 + 6 + 6 + 7 + 27 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 3849414645 + ... + 3849545715.

It is an arithmetic number, because the mean of its divisors is an integer number (1239804805120).

Almost surely, 2^{504555216672780} 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 504555216672780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1071191351623680).

504555216672780 is an abundant number, since it is smaller than the sum of its proper divisors (1637827486574580).

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

504555216672780 is a wasteful number, since it uses less digits than its factorization.

504555216672780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131185 (or 131151 counting only the distinct ones).

The product of its (nonzero) digits is 141120000, while the sum is 63.

The spelling of 504555216672780 in words is "five hundred four trillion, five hundred fifty-five billion, two hundred sixteen million, six hundred seventy-two thousand, seven hundred eighty".