505369159680 has 1152 divisors, whose sum is σ = 2142548029440. Its totient is φ = 100370350080.

The previous prime is 505369159651. The next prime is 505369159741. The reversal of 505369159680 is 86951963505.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 505369159680.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 380835177 + ... + 380836503.

It is an arithmetic number, because the mean of its divisors is an integer number (1859850720).

Almost surely, 2^505369159680 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 505369159680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1071274014720).

505369159680 is an abundant number, since it is smaller than the sum of its proper divisors (1637178869760).

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

505369159680 is a wasteful number, since it uses less digits than its factorization.

505369159680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405 (or 1378 counting only the distinct ones).

The product of its (nonzero) digits is 8748000, while the sum is 57.

The spelling of 505369159680 in words is "five hundred five billion, three hundred sixty-nine million, one hundred fifty-nine thousand, six hundred eighty".