1044664005 has 96 divisors (see below), whose sum is σ = 2130186240. Its totient is φ = 424644480.

The previous prime is 1044663989. The next prime is 1044664021. The reversal of 1044664005 is 5004664401.

1044664005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1044663989) and next prime (1044664021).

It is not a de Polignac number, because 1044664005 - 2⁴ = 1044663989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9763162 + ... + 9763268.

It is an arithmetic number, because the mean of its divisors is an integer number (22189440).

Almost surely, 2^1044664005 is an apocalyptic number.

1044664005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1044664005 is an abundant number, since it is smaller than the sum of its proper divisors (1085522235).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1044664005 is a wasteful number, since it uses less digits than its factorization.

1044664005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1044664005 is about 32321.2624289337. The cubic root of 1044664005 is about 1014.6716904312.

The spelling of 1044664005 in words is "one billion, forty-four million, six hundred sixty-four thousand, five".