505116342 has 48 divisors (see below), whose sum is σ = 1160726112. Its totient is φ = 158204160.

The previous prime is 505116331. The next prime is 505116347. The reversal of 505116342 is 243611505.

505116342 is a `hidden beast` number, since 50 + 511 + 63 + 42 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505116347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270492 + ... + 272352.

It is an arithmetic number, because the mean of its divisors is an integer number (24181794).

Almost surely, 2^505116342 is an apocalyptic number.

505116342 is an abundant number, since it is smaller than the sum of its proper divisors (655609770).

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

505116342 is a wasteful number, since it uses less digits than its factorization.

505116342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773 (or 2770 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 505116342 is about 22474.7934806974. The cubic root of 505116342 is about 796.3985729412.

Adding to 505116342 its reverse (243611505), we get a palindrome (748727847).

The spelling of 505116342 in words is "five hundred five million, one hundred sixteen thousand, three hundred forty-two".