531224504243140 has 48 divisors (see below), whose sum is σ = 1118398393010304. Its totient is φ = 211951380672000.

The previous prime is 531224504243099. The next prime is 531224504243261. The reversal of 531224504243140 is 41342405422135.

It is a junction number, because it is equal to n+sod(n) for n = 531224504243093 and 531224504243102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200071327 + ... + 202709113.

It is an arithmetic number, because the mean of its divisors is an integer number (23299966521048).

Almost surely, 2^{531224504243140} is an apocalyptic number.

It is an amenable number.

531224504243140 is an abundant number, since it is smaller than the sum of its proper divisors (587173888767164).

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

531224504243140 is a wasteful number, since it uses less digits than its factorization.

531224504243140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663308 (or 2663306 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 531224504243140 its reverse (41342405422135), we get a palindrome (572566909665275).

The spelling of 531224504243140 in words is "five hundred thirty-one trillion, two hundred twenty-four billion, five hundred four million, two hundred forty-three thousand, one hundred forty".