505761042 has 8 divisors (see below), whose sum is σ = 1011522096. Its totient is φ = 168587012.

The previous prime is 505761037. The next prime is 505761043. The reversal of 505761042 is 240167505.

It is a sphenic number, since it is the product of 3 distinct primes.

505761042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (505761043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42146748 + ... + 42146759.

It is an arithmetic number, because the mean of its divisors is an integer number (126440262).

Almost surely, 2^505761042 is an apocalyptic number.

505761042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

505761042 is a wasteful number, since it uses less digits than its factorization.

505761042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84293512.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 505761042 is about 22489.1316417509. The cubic root of 505761042 is about 796.7372539087.

The spelling of 505761042 in words is "five hundred five million, seven hundred sixty-one thousand, forty-two".