44145807838 has 16 divisors (see below), whose sum is σ = 72765888624. Its totient is φ = 19919805760.

The previous prime is 44145807767. The next prime is 44145807847. The reversal of 44145807838 is 83870854144.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7320445 + ... + 7326472.

It is an arithmetic number, because the mean of its divisors is an integer number (4547868039).

Almost surely, 2^44145807838 is an apocalyptic number.

44145807838 is a deficient number, since it is larger than the sum of its proper divisors (28620080786).

44145807838 is a wasteful number, since it uses less digits than its factorization.

44145807838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14647067.

The product of its (nonzero) digits is 3440640, while the sum is 52.

The spelling of 44145807838 in words is "forty-four billion, one hundred forty-five million, eight hundred seven thousand, eight hundred thirty-eight".