1044640468 has 6 divisors (see below), whose sum is σ = 1828120826. Its totient is φ = 522320232.

The previous prime is 1044640459. The next prime is 1044640469. The reversal of 1044640468 is 8640464401.

It can be written as a sum of positive squares in only one way, i.e., 801342864 + 243297604 = 28308^2 + 15598^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044640469) 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 as a sum of consecutive naturals, namely, 130580055 + ... + 130580062.

Almost surely, 2^1044640468 is an apocalyptic number.

It is an amenable number.

1044640468 is a deficient number, since it is larger than the sum of its proper divisors (783480358).

1044640468 is a wasteful number, since it uses less digits than its factorization.

1044640468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261160121 (or 261160119 counting only the distinct ones).

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

The square root of 1044640468 is about 32320.8983167238. The cubic root of 1044640468 is about 1014.6640699565.

The spelling of 1044640468 in words is "one billion, forty-four million, six hundred forty thousand, four hundred sixty-eight".