505443342 has 16 divisors (see below), whose sum is σ = 1011265920. Its totient is φ = 168417912.

The previous prime is 505443319. The next prime is 505443353. The reversal of 505443342 is 243344505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3303 + ... + 31965.

It is an arithmetic number, because the mean of its divisors is an integer number (63204120).

Almost surely, 2^505443342 is an apocalyptic number.

505443342 is an abundant number, since it is smaller than the sum of its proper divisors (505822578).

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

505443342 is a wasteful number, since it uses less digits than its factorization.

505443342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31607.

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 505443342 is about 22482.0671202628. The cubic root of 505443342 is about 796.5703922066.

Adding to 505443342 its reverse (243344505), we get a palindrome (748787847).

The spelling of 505443342 in words is "five hundred five million, four hundred forty-three thousand, three hundred forty-two".