1005044469 has 32 divisors (see below), whose sum is σ = 1581030528. Its totient is φ = 559872000.

The previous prime is 1005044429. The next prime is 1005044519. The reversal of 1005044469 is 9644405001.

It is not a de Polignac number, because 1005044469 - 2⁹ = 1005043957 is a prime.

It is a super-2 number, since 2×1005044469² = 2020228769334983922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005044429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98529 + ... + 108249.

It is an arithmetic number, because the mean of its divisors is an integer number (49407204).

Almost surely, 2^1005044469 is an apocalyptic number.

It is an amenable number.

1005044469 is a deficient number, since it is larger than the sum of its proper divisors (575986059).

1005044469 is a wasteful number, since it uses less digits than its factorization.

1005044469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9989.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1005044469 is about 31702.4363259356. The cubic root of 1005044469 is about 1001.6786701564.

The spelling of 1005044469 in words is "one billion, five million, forty-four thousand, four hundred sixty-nine".