44381438 has 8 divisors (see below), whose sum is σ = 67019400. Its totient is φ = 22041640.

The previous prime is 44381437. The next prime is 44381453. The reversal of 44381438 is 83418344.

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

It is a junction number, because it is equal to n+sod(n) for n = 44381398 and 44381407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44381437) 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, 74168 + ... + 74763.

It is an arithmetic number, because the mean of its divisors is an integer number (8377425).

Almost surely, 2^44381438 is an apocalyptic number.

44381438 is a deficient number, since it is larger than the sum of its proper divisors (22637962).

44381438 is a wasteful number, since it uses less digits than its factorization.

44381438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149082.

The product of its digits is 36864, while the sum is 35.

The square root of 44381438 is about 6661.9395073807. The cubic root of 44381438 is about 354.0520580554.

The spelling of 44381438 in words is "forty-four million, three hundred eighty-one thousand, four hundred thirty-eight".