44138047 has 8 divisors (see below), whose sum is σ = 44550000. Its totient is φ = 43728384.

The previous prime is 44138023. The next prime is 44138051. The reversal of 44138047 is 74083144.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44138047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44138057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88204 + ... + 88702.

It is an arithmetic number, because the mean of its divisors is an integer number (5568750).

Almost surely, 2^44138047 is an apocalyptic number.

44138047 is a deficient number, since it is larger than the sum of its proper divisors (411953).

44138047 is a wasteful number, since it uses less digits than its factorization.

44138047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 44138047 is about 6643.6471158544. The cubic root of 44138047 is about 353.4036556562.

The spelling of 44138047 in words is "forty-four million, one hundred thirty-eight thousand, forty-seven".