541445210644 has 12 divisors (see below), whose sum is σ = 1020415974004. Its totient is φ = 249897789504.

The previous prime is 541445210623. The next prime is 541445210653. The reversal of 541445210644 is 446012544145.

It can be written as a sum of positive squares in 2 ways, for example, as 47781588100 + 493663622544 = 218590^2 + 702612^2 .

It is a super-2 number, since 2×541445210644² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 541445210597 and 541445210606.

It is a congruent number.

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, 5206203897 + ... + 5206204000.

Almost surely, 2^541445210644 is an apocalyptic number.

It is an amenable number.

541445210644 is a deficient number, since it is larger than the sum of its proper divisors (478970763360).

541445210644 is a wasteful number, since it uses less digits than its factorization.

541445210644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10412407914 (or 10412407912 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 40.

Adding to 541445210644 its reverse (446012544145), we get a palindrome (987457754789).

The spelling of 541445210644 in words is "five hundred forty-one billion, four hundred forty-five million, two hundred ten thousand, six hundred forty-four".