44671138 has 8 divisors (see below), whose sum is σ = 70948332. Its totient is φ = 21021696.

The previous prime is 44671117. The next prime is 44671153. The reversal of 44671138 is 83117644.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44662489 + 8649 = 6683^2 + 93^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 1313857 = 44671138 / (4 + 4 + 6 + 7 + 1 + 1 + 3 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656895 + ... + 656962.

Almost surely, 2^44671138 is an apocalyptic number.

44671138 is a deficient number, since it is larger than the sum of its proper divisors (26277194).

44671138 is a wasteful number, since it uses less digits than its factorization.

44671138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313876.

The product of its digits is 16128, while the sum is 34.

The square root of 44671138 is about 6683.6470583058. The cubic root of 44671138 is about 354.8207466387.

The spelling of 44671138 in words is "forty-four million, six hundred seventy-one thousand, one hundred thirty-eight".