544163997760 has 56 divisors (see below), whose sum is σ = 1295877118680. Its totient is φ = 217651052544.

The previous prime is 544163997739. The next prime is 544163997761. The reversal of 544163997760 is 67799361445.

It can be written as a sum of positive squares in 4 ways, for example, as 104106894336 + 440057103424 = 322656^2 + 663368^2 .

It is a super-2 number, since 2×544163997760² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (544163997761) 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, 5625322 + ... + 5721238.

Almost surely, 2^544163997760 is an apocalyptic number.

It is an amenable number.

544163997760 is an abundant number, since it is smaller than the sum of its proper divisors (751713120920).

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

544163997760 is a wasteful number, since it uses less digits than its factorization.

544163997760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113663 (or 113653 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 61.

The spelling of 544163997760 in words is "five hundred forty-four billion, one hundred sixty-three million, nine hundred ninety-seven thousand, seven hundred sixty".