531400522244 has 12 divisors (see below), whose sum is σ = 947497157964. Its totient is φ = 260687048544.

The previous prime is 531400522207. The next prime is 531400522319. The reversal of 531400522244 is 442225004135.

It can be written as a sum of positive squares in 2 ways, for example, as 209820795844 + 321579726400 = 458062^2 + 567080^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 531400522244.

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, 1253302907 + ... + 1253303330.

It is an arithmetic number, because the mean of its divisors is an integer number (78958096497).

Almost surely, 2^531400522244 is an apocalyptic number.

It is an amenable number.

531400522244 is a deficient number, since it is larger than the sum of its proper divisors (416096635720).

531400522244 is a wasteful number, since it uses less digits than its factorization.

531400522244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506606294 (or 2506606292 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 531400522244 its reverse (442225004135), we get a palindrome (973625526379).

The spelling of 531400522244 in words is "five hundred thirty-one billion, four hundred million, five hundred twenty-two thousand, two hundred forty-four".