1088444005 has 12 divisors (see below), whose sum is σ = 1435667436. Its totient is φ = 791595200.

The previous prime is 1088443999. The next prime is 1088444017. The reversal of 1088444005 is 5004448801.

It can be written as a sum of positive squares in 2 ways, for example, as 831226561 + 257217444 = 28831^2 + 16038^2 .

It is not a de Polignac number, because 1088444005 - 2⁹ = 1088443493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 898936 + ... + 900145.

It is an arithmetic number, because the mean of its divisors is an integer number (119638953).

Almost surely, 2^1088444005 is an apocalyptic number.

It is an amenable number.

1088444005 is a deficient number, since it is larger than the sum of its proper divisors (347223431).

1088444005 is a wasteful number, since it uses less digits than its factorization.

1088444005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799108 (or 1799097 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 1088444005 is about 32991.5747578075. The cubic root of 1088444005 is about 1028.6525267800.

The spelling of 1088444005 in words is "one billion, eighty-eight million, four hundred forty-four thousand, five".