1040438942326 has 16 divisors (see below), whose sum is σ = 1806186954240. Its totient is φ = 440258069160.

The previous prime is 1040438942321. The next prime is 1040438942353. The reversal of 1040438942326 is 6232498340401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040438942321) 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, 470360080 + ... + 470362291.

It is an arithmetic number, because the mean of its divisors is an integer number (112886684640).

Almost surely, 2^{1040438942326} is an apocalyptic number.

1040438942326 is a deficient number, since it is larger than the sum of its proper divisors (765748011914).

1040438942326 is an equidigital number, since it uses as much as digits as its factorization.

1040438942326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940722459.

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 1040438942326 in words is "one trillion, forty billion, four hundred thirty-eight million, nine hundred forty-two thousand, three hundred twenty-six".