504145556480 has 66 divisors (see below), whose sum is σ = 1209480426546. Its totient is φ = 201637900288.

The previous prime is 504145556479. The next prime is 504145556503. The reversal of 504145556480 is 84655541405.

It can be written as a sum of positive squares in only one way, i.e., 403316445184 + 100829111296 = 635072^2 + 317536^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50800799 + ... + 50810721.

Almost surely, 2^504145556480 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 504145556480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (604740213273).

504145556480 is an abundant number, since it is smaller than the sum of its proper divisors (705334870066).

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

504145556480 is an frugal number, since it uses more digits than its factorization.

504145556480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19871 (or 9930 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 47.

The spelling of 504145556480 in words is "five hundred four billion, one hundred forty-five million, five hundred fifty-six thousand, four hundred eighty".