544042240399 has 16 divisors (see below), whose sum is σ = 635023742976. Its totient is φ = 456377040000.

The previous prime is 544042240387. The next prime is 544042240403. The reversal of 544042240399 is 993042240445.

It is not a de Polignac number, because 544042240399 - 2⁹ = 544042239887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544042240309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10420039 + ... + 10472119.

It is an arithmetic number, because the mean of its divisors is an integer number (39688983936).

Almost surely, 2^544042240399 is an apocalyptic number.

544042240399 is a deficient number, since it is larger than the sum of its proper divisors (90981502577).

544042240399 is a wasteful number, since it uses less digits than its factorization.

544042240399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83886.

The product of its (nonzero) digits is 1244160, while the sum is 46.

Adding to 544042240399 its sum of digits (46), we get a palindrome (544042240445).

The spelling of 544042240399 in words is "five hundred forty-four billion, forty-two million, two hundred forty thousand, three hundred ninety-nine".