544552440043 has 4 divisors (see below), whose sum is σ = 546410981088. Its totient is φ = 542693899000.

The previous prime is 544552440023. The next prime is 544552440083. The reversal of 544552440043 is 340044255445.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544552440043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 544552439978 and 544552440005.

It is not an unprimeable number, because it can be changed into a prime (544552440023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 929270083 + ... + 929270668.

It is an arithmetic number, because the mean of its divisors is an integer number (136602745272).

Almost surely, 2^544552440043 is an apocalyptic number.

544552440043 is a deficient number, since it is larger than the sum of its proper divisors (1858541045).

544552440043 is a wasteful number, since it uses less digits than its factorization.

544552440043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858541044.

The product of its (nonzero) digits is 768000, while the sum is 40.

Adding to 544552440043 its reverse (340044255445), we get a palindrome (884596695488).

The spelling of 544552440043 in words is "five hundred forty-four billion, five hundred fifty-two million, four hundred forty thousand, forty-three".