1440423313302 has 16 divisors (see below), whose sum is σ = 2885963590080. Its totient is φ = 479288277192.

The previous prime is 1440423313297. The next prime is 1440423313309. The reversal of 1440423313302 is 2033133240441.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1440423313302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440423313309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213203152 + ... + 213209907.

It is an arithmetic number, because the mean of its divisors is an integer number (180372724380).

Almost surely, 2^{1440423313302} is an apocalyptic number.

1440423313302 is an abundant number, since it is smaller than the sum of its proper divisors (1445540276778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1440423313302 is a wasteful number, since it uses less digits than its factorization.

1440423313302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426413627.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 1440423313302 its reverse (2033133240441), we get a palindrome (3473556553743).

The spelling of 1440423313302 in words is "one trillion, four hundred forty billion, four hundred twenty-three million, three hundred thirteen thousand, three hundred two".