538444742 has 8 divisors (see below), whose sum is σ = 881091432. Its totient is φ = 244747600.

The previous prime is 538444741. The next prime is 538444747. The reversal of 538444742 is 247444835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 538444742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538444741) 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, 12237359 + ... + 12237402.

It is an arithmetic number, because the mean of its divisors is an integer number (110136429).

Almost surely, 2^538444742 is an apocalyptic number.

538444742 is a deficient number, since it is larger than the sum of its proper divisors (342646690).

538444742 is a wasteful number, since it uses less digits than its factorization.

538444742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24474774.

The product of its digits is 430080, while the sum is 41.

The square root of 538444742 is about 23204.4121235596. The cubic root of 538444742 is about 813.5427518087.

The spelling of 538444742 in words is "five hundred thirty-eight million, four hundred forty-four thousand, seven hundred forty-two".