1040003432321 has 16 divisors (see below), whose sum is σ = 1215958625280. Its totient is φ = 871075006800.

The previous prime is 1040003432297. The next prime is 1040003432329. The reversal of 1040003432321 is 1232343000401.

It is a cyclic number.

It is not a de Polignac number, because 1040003432321 - 2¹⁰ = 1040003431297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1040003432329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7470455 + ... + 7608396.

It is an arithmetic number, because the mean of its divisors is an integer number (75997414080).

Almost surely, 2^{1040003432321} is an apocalyptic number.

It is an amenable number.

1040003432321 is a deficient number, since it is larger than the sum of its proper divisors (175955192959).

1040003432321 is a wasteful number, since it uses less digits than its factorization.

1040003432321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15079084.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1040003432321 its reverse (1232343000401), we get a palindrome (2272346432722).

The spelling of 1040003432321 in words is "one trillion, forty billion, three million, four hundred thirty-two thousand, three hundred twenty-one".