1008440105 has 16 divisors (see below), whose sum is σ = 1294708800. Its totient is φ = 751757760.

The previous prime is 1008439969. The next prime is 1008440117. The reversal of 1008440105 is 5010448001.

1008440105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1008440105 - 2²⁸ = 740004649 is a prime.

It is a super-2 number, since 2×1008440105² = 2033902890744822050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81215 + ... + 92804.

It is an arithmetic number, because the mean of its divisors is an integer number (80919300).

Almost surely, 2^1008440105 is an apocalyptic number.

It is an amenable number.

1008440105 is a deficient number, since it is larger than the sum of its proper divisors (286268695).

1008440105 is a wasteful number, since it uses less digits than its factorization.

1008440105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174104.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1008440105 is about 31755.9459786667. The cubic root of 1008440105 is about 1002.8054901976.

Adding to 1008440105 its reverse (5010448001), we get a palindrome (6018888106).

The spelling of 1008440105 in words is "one billion, eight million, four hundred forty thousand, one hundred five".