544045438 has 4 divisors (see below), whose sum is σ = 816068160. Its totient is φ = 272022718.

The previous prime is 544045433. The next prime is 544045471. The reversal of 544045438 is 834540445.

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

It is a super-3 number, since 3×544045438³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 544045397 and 544045406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544045433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136011358 + ... + 136011361.

It is an arithmetic number, because the mean of its divisors is an integer number (204017040).

Almost surely, 2^544045438 is an apocalyptic number.

544045438 is a deficient number, since it is larger than the sum of its proper divisors (272022722).

544045438 is a wasteful number, since it uses less digits than its factorization.

544045438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272022721.

The product of its (nonzero) digits is 153600, while the sum is 37.

The square root of 544045438 is about 23324.7816281311. The cubic root of 544045438 is about 816.3537479669.

The spelling of 544045438 in words is "five hundred forty-four million, forty-five thousand, four hundred thirty-eight".