505434043434 has 8 divisors (see below), whose sum is σ = 1010868086880. Its totient is φ = 168478014476.

The previous prime is 505434043427. The next prime is 505434043453. The reversal of 505434043434 is 434340434505.

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

505434043434 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 505434043392 and 505434043401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42119503614 + ... + 42119503625.

It is an arithmetic number, because the mean of its divisors is an integer number (126358510860).

Almost surely, 2^505434043434 is an apocalyptic number.

505434043434 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.

505434043434 is a wasteful number, since it uses less digits than its factorization.

505434043434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84239007244.

The product of its (nonzero) digits is 691200, while the sum is 39.

Adding to 505434043434 its reverse (434340434505), we get a palindrome (939774477939).

The spelling of 505434043434 in words is "five hundred five billion, four hundred thirty-four million, forty-three thousand, four hundred thirty-four".