505761726050 has 48 divisors (see below), whose sum is σ = 1075307425920. Its totient is φ = 173371359360.

The previous prime is 505761726013. The next prime is 505761726089. The reversal of 505761726050 is 50627167505.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 505761725992 and 505761726010.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1762571 + ... + 2029329.

It is an arithmetic number, because the mean of its divisors is an integer number (22402238040).

Almost surely, 2^505761726050 is an apocalyptic number.

505761726050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505761726050 is an abundant number, since it is smaller than the sum of its proper divisors (569545699870).

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

505761726050 is a wasteful number, since it uses less digits than its factorization.

505761726050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272195 (or 272190 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 44.

The spelling of 505761726050 in words is "five hundred five billion, seven hundred sixty-one million, seven hundred twenty-six thousand, fifty".