44474738138905 has 8 divisors (see below), whose sum is σ = 54671385419784. Its totient is φ = 34711990742400.

The previous prime is 44474738138867. The next prime is 44474738138939. The reversal of 44474738138905 is 50983183747444.

44474738138905 = 4715651² + 4715652².

It can be written as a sum of positive squares in 4 ways, for example, as 889496083161 + 43585242055744 = 943131^2 + 6601912^2 .

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

It is not a de Polignac number, because 44474738138905 - 2²⁷ = 44474603921177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108474970866 + ... + 108474971275.

It is an arithmetic number, because the mean of its divisors is an integer number (6833923177473).

Almost surely, 2^{44474738138905} is an apocalyptic number.

44474738138905 is the 4715652-nd centered square number.

It is an amenable number.

44474738138905 is a deficient number, since it is larger than the sum of its proper divisors (10196647280879).

44474738138905 is a wasteful number, since it uses less digits than its factorization.

44474738138905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216949942187.

The product of its (nonzero) digits is 325140480, while the sum is 67.

The spelling of 44474738138905 in words is "forty-four trillion, four hundred seventy-four billion, seven hundred thirty-eight million, one hundred thirty-eight thousand, nine hundred five".