505045304142342 has 128 divisors (see below), whose sum is σ = 1048203854438400. Its totient is φ = 162130385894400.

The previous prime is 505045304142319. The next prime is 505045304142367. The reversal of 505045304142342 is 243241403540505.

It is a junction number, because it is equal to n+sod(n) for n = 505045304142294 and 505045304142303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9723416092 + ... + 9723468032.

It is an arithmetic number, because the mean of its divisors is an integer number (8189092612800).

Almost surely, 2^{505045304142342} is an apocalyptic number.

505045304142342 is an abundant number, since it is smaller than the sum of its proper divisors (543158550296058).

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

505045304142342 is a wasteful number, since it uses less digits than its factorization.

505045304142342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53942.

The product of its (nonzero) digits is 1152000, while the sum is 42.

Adding to 505045304142342 its reverse (243241403540505), we get a palindrome (748286707682847).

The spelling of 505045304142342 in words is "five hundred five trillion, forty-five billion, three hundred four million, one hundred forty-two thousand, three hundred forty-two".