1440323342 has 16 divisors (see below), whose sum is σ = 2265877152. Its totient is φ = 685349280.

The previous prime is 1440323323. The next prime is 1440323359. The reversal of 1440323342 is 2433230441.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 70409 + ... + 88532.

It is an arithmetic number, because the mean of its divisors is an integer number (141617322).

Almost surely, 2^1440323342 is an apocalyptic number.

1440323342 is a deficient number, since it is larger than the sum of its proper divisors (825553810).

1440323342 is a wasteful number, since it uses less digits than its factorization.

1440323342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159163.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 1440323342 is about 37951.5920878163. The cubic root of 1440323342 is about 1129.3277495739.

Adding to 1440323342 its reverse (2433230441), we get a palindrome (3873553783).

The spelling of 1440323342 in words is "one billion, four hundred forty million, three hundred twenty-three thousand, three hundred forty-two".