1440244423342 has 16 divisors (see below), whose sum is σ = 2254466110752. Its totient is φ = 688760455680.

The previous prime is 1440244423327. The next prime is 1440244423357. The reversal of 1440244423342 is 2433244420441.

It is an interprime number because it is at equal distance from previous prime (1440244423327) and next prime (1440244423357).

It is a super-2 number, since 2×1440244423342² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565659 + ... + 1788982.

It is an arithmetic number, because the mean of its divisors is an integer number (140904131922).

Almost surely, 2^{1440244423342} is an apocalyptic number.

1440244423342 is a deficient number, since it is larger than the sum of its proper divisors (814221687410).

1440244423342 is a wasteful number, since it uses less digits than its factorization.

1440244423342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367963.

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 1440244423342 its reverse (2433244420441), we get a palindrome (3873488843783).

The spelling of 1440244423342 in words is "one trillion, four hundred forty billion, two hundred forty-four million, four hundred twenty-three thousand, three hundred forty-two".