505444224234331 has 32 divisors (see below), whose sum is σ = 519583617100800. Its totient is φ = 491508363386880.

The previous prime is 505444224234329. The next prime is 505444224234407. The reversal of 505444224234331 is 133432422444505.

It is a cyclic number.

It is not a de Polignac number, because 505444224234331 - 2¹ = 505444224234329 is a prime.

It is a super-2 number, since 2×505444224234331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505444224234311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18922686066 + ... + 18922712776.

It is an arithmetic number, because the mean of its divisors is an integer number (16236988034400).

Almost surely, 2^{505444224234331} is an apocalyptic number.

505444224234331 is a deficient number, since it is larger than the sum of its proper divisors (14139392866469).

505444224234331 is a wasteful number, since it uses less digits than its factorization.

505444224234331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32379.

The product of its (nonzero) digits is 5529600, while the sum is 46.

Adding to 505444224234331 its reverse (133432422444505), we get a palindrome (638876646678836).

The spelling of 505444224234331 in words is "five hundred five trillion, four hundred forty-four billion, two hundred twenty-four million, two hundred thirty-four thousand, three hundred thirty-one".