531010223144440 has 64 divisors (see below), whose sum is σ = 1342621166241600. Its totient is φ = 187540734323712.

The previous prime is 531010223144437. The next prime is 531010223144441. The reversal of 531010223144440 is 44441322010135.

It is a super-2 number, since 2×531010223144440² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 531010223144396 and 531010223144405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531010223144441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22199412085 + ... + 22199436004.

It is an arithmetic number, because the mean of its divisors is an integer number (20978455722525).

Almost surely, 2^{531010223144440} is an apocalyptic number.

It is an amenable number.

531010223144440 is an abundant number, since it is smaller than the sum of its proper divisors (811610943097160).

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

531010223144440 is a wasteful number, since it uses less digits than its factorization.

531010223144440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44398848136 (or 44398848132 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 531010223144440 its reverse (44441322010135), we get a palindrome (575451545154575).

The spelling of 531010223144440 in words is "five hundred thirty-one trillion, ten billion, two hundred twenty-three million, one hundred forty-four thousand, four hundred forty".