505440354334 has 16 divisors (see below), whose sum is σ = 758944402560. Its totient is φ = 252458953560.

The previous prime is 505440354319. The next prime is 505440354359. The reversal of 505440354334 is 433453044505.

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, 22922887 + ... + 22944925.

It is an arithmetic number, because the mean of its divisors is an integer number (47434025160).

Almost surely, 2^505440354334 is an apocalyptic number.

505440354334 is a deficient number, since it is larger than the sum of its proper divisors (253504048226).

505440354334 is a wasteful number, since it uses less digits than its factorization.

505440354334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33375.

The product of its (nonzero) digits is 864000, while the sum is 40.

Adding to 505440354334 its reverse (433453044505), we get a palindrome (938893398839).

The spelling of 505440354334 in words is "five hundred five billion, four hundred forty million, three hundred fifty-four thousand, three hundred thirty-four".