44489138 has 8 divisors (see below), whose sum is σ = 66887040. Its totient is φ = 22193460.

The previous prime is 44489129. The next prime is 44489143. The reversal of 44489138 is 83198444.

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 = 44489095 and 44489104.

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, 24458 + ... + 26213.

It is an arithmetic number, because the mean of its divisors is an integer number (8360880).

Almost surely, 2^44489138 is an apocalyptic number.

44489138 is a deficient number, since it is larger than the sum of its proper divisors (22397902).

44489138 is a wasteful number, since it uses less digits than its factorization.

44489138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51112.

The product of its digits is 110592, while the sum is 41.

The square root of 44489138 is about 6670.0178410556. The cubic root of 44489138 is about 354.3382182574.

The spelling of 44489138 in words is "forty-four million, four hundred eighty-nine thousand, one hundred thirty-eight".