1040325309 has 8 divisors (see below), whose sum is σ = 1541222720. Its totient is φ = 693550188.

The previous prime is 1040325289. The next prime is 1040325313. The reversal of 1040325309 is 9035230401.

1040325309 is a `hidden beast` number, since 1 + 0 + 403 + 253 + 0 + 9 = 666.

1040325309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1040325309 - 2⁵ = 1040325277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 38530567 = 1040325309 / (1 + 0 + 4 + 0 + 3 + 2 + 5 + 3 + 0 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040325329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19265257 + ... + 19265310.

It is an arithmetic number, because the mean of its divisors is an integer number (192652840).

Almost surely, 2^1040325309 is an apocalyptic number.

It is an amenable number.

1040325309 is a deficient number, since it is larger than the sum of its proper divisors (500897411).

1040325309 is an equidigital number, since it uses as much as digits as its factorization.

1040325309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38530576 (or 38530570 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 1040325309 is about 32254.0743007763. The cubic root of 1040325309 is about 1013.2650305873.

The spelling of 1040325309 in words is "one billion, forty million, three hundred twenty-five thousand, three hundred nine".