532472168644 has 24 divisors (see below), whose sum is σ = 1003558535168. Its totient is φ = 245743333920.

The previous prime is 532472168617. The next prime is 532472168647. The reversal of 532472168644 is 446861274235.

It is a super-2 number, since 2×532472168644² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 532472168591 and 532472168600.

It is not an unprimeable number, because it can be changed into a prime (532472168647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753469 + ... + 1277755.

Almost surely, 2^532472168644 is an apocalyptic number.

It is an amenable number.

532472168644 is a deficient number, since it is larger than the sum of its proper divisors (471086366524).

532472168644 is a wasteful number, since it uses less digits than its factorization.

532472168644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543835 (or 543833 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 52.

The spelling of 532472168644 in words is "five hundred thirty-two billion, four hundred seventy-two million, one hundred sixty-eight thousand, six hundred forty-four".