1044086144 has 64 divisors (see below), whose sum is σ = 2212122960. Its totient is φ = 489160704.

The previous prime is 1044086123. The next prime is 1044086149. The reversal of 1044086144 is 4416804401.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1044086144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044086149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558299 + ... + 560165.

Almost surely, 2^1044086144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1044086144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1106061480).

1044086144 is an abundant number, since it is smaller than the sum of its proper divisors (1168036816).

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

1044086144 is a wasteful number, since it uses less digits than its factorization.

1044086144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155 (or 2143 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 1044086144 is about 32312.3218602440. The cubic root of 1044086144 is about 1014.4845657224.

The spelling of 1044086144 in words is "one billion, forty-four million, eighty-six thousand, one hundred forty-four".