4540045441 has 2 divisors, whose sum is σ = 4540045442. Its totient is φ = 4540045440.

The previous prime is 4540045429. The next prime is 4540045481. The reversal of 4540045441 is 1445400454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2693194816 + 1846850625 = 51896^2 + 42975^2 .

It is a cyclic number.

It is not a de Polignac number, because 4540045441 - 2¹⁷ = 4539914369 is a prime.

It is a super-2 number, since 2×4540045441² = 41224025212689768962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4540045481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2270022720 + 2270022721.

It is an arithmetic number, because the mean of its divisors is an integer number (2270022721).

Almost surely, 2^4540045441 is an apocalyptic number.

It is an amenable number.

4540045441 is a deficient number, since it is larger than the sum of its proper divisors (1).

4540045441 is an equidigital number, since it uses as much as digits as its factorization.

4540045441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25600, while the sum is 31.

The square root of 4540045441 is about 67379.8593127056. The cubic root of 4540045441 is about 1655.8464700534.

Adding to 4540045441 its reverse (1445400454), we get a palindrome (5985445895).

The spelling of 4540045441 in words is "four billion, five hundred forty million, forty-five thousand, four hundred forty-one".