505726336 has 32 divisors (see below), whose sum is σ = 1066771080. Its totient is φ = 237987840.

The previous prime is 505726327. The next prime is 505726337. The reversal of 505726336 is 633627505.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 505726295 and 505726304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505726337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114030 + ... + 118381.

Almost surely, 2^505726336 is an apocalyptic number.

It is an amenable number.

505726336 is an abundant number, since it is smaller than the sum of its proper divisors (561044744).

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

505726336 is a wasteful number, since it uses less digits than its factorization.

505726336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232442 (or 232430 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 37.

The square root of 505726336 is about 22488.3600113481. The cubic root of 505726336 is about 796.7190290994.

The spelling of 505726336 in words is "five hundred five million, seven hundred twenty-six thousand, three hundred thirty-six".