1044864064 has 28 divisors (see below), whose sum is σ = 2195369244. Its totient is φ = 491700224.

The previous prime is 1044864061. The next prime is 1044864103. The reversal of 1044864064 is 4604684401.

It can be written as a sum of positive squares in 2 ways, for example, as 487526400 + 557337664 = 22080^2 + 23608^2 .

It is not an unprimeable number, because it can be changed into a prime (1044864061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479089 + ... + 481264.

Almost surely, 2^1044864064 is an apocalyptic number.

It is an amenable number.

1044864064 is an abundant number, since it is smaller than the sum of its proper divisors (1150505180).

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

1044864064 is an equidigital number, since it uses as much as digits as its factorization.

1044864064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960382 (or 960372 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The square root of 1044864064 is about 32324.3571320452. The cubic root of 1044864064 is about 1014.7364580649.

The spelling of 1044864064 in words is "one billion, forty-four million, eight hundred sixty-four thousand, sixty-four".