44609785138 has 8 divisors (see below), whose sum is σ = 66935219760. Its totient is φ = 22298045220.

The previous prime is 44609785123. The next prime is 44609785139. The reversal of 44609785138 is 83158790644.

44609785138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (44609785139) 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, 3415528 + ... + 3428563.

It is an arithmetic number, because the mean of its divisors is an integer number (8366902470).

Almost surely, 2^44609785138 is an apocalyptic number.

44609785138 is a deficient number, since it is larger than the sum of its proper divisors (22325434622).

44609785138 is a wasteful number, since it uses less digits than its factorization.

44609785138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6847352.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 44609785138 in words is "forty-four billion, six hundred nine million, seven hundred eighty-five thousand, one hundred thirty-eight".