44138607 has 8 divisors (see below), whose sum is σ = 59213184. Its totient is φ = 29244888.

The previous prime is 44138603. The next prime is 44138617. The reversal of 44138607 is 70683144.

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

It is not a de Polignac number, because 44138607 - 2² = 44138603 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44138603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44643 + ... + 45620.

It is an arithmetic number, because the mean of its divisors is an integer number (7401648).

Almost surely, 2^44138607 is an apocalyptic number.

44138607 is a deficient number, since it is larger than the sum of its proper divisors (15074577).

44138607 is a wasteful number, since it uses less digits than its factorization.

44138607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90429.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 44138607 is about 6643.6892612463. The cubic root of 44138607 is about 353.4051502490.

The spelling of 44138607 in words is "forty-four million, one hundred thirty-eight thousand, six hundred seven".