44147138405 has 8 divisors (see below), whose sum is σ = 53327405184. Its totient is φ = 35083818000.

The previous prime is 44147138359. The next prime is 44147138443. The reversal of 44147138405 is 50483174144.

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

It is not a de Polignac number, because 44147138405 - 2⁶ = 44147138341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29235761 + ... + 29237270.

It is an arithmetic number, because the mean of its divisors is an integer number (6665925648).

Almost surely, 2^44147138405 is an apocalyptic number.

It is an amenable number.

44147138405 is a deficient number, since it is larger than the sum of its proper divisors (9180266779).

44147138405 is a wasteful number, since it uses less digits than its factorization.

44147138405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58473187.

The product of its (nonzero) digits is 215040, while the sum is 41.

The spelling of 44147138405 in words is "forty-four billion, one hundred forty-seven million, one hundred thirty-eight thousand, four hundred five".