1420443240344 has 16 divisors (see below), whose sum is σ = 2663349000120. Its totient is φ = 710216840320.

The previous prime is 1420443240343. The next prime is 1420443240353. The reversal of 1420443240344 is 4430423440241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420443240343) 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 3 ways as a sum of consecutive naturals, for example, 880592 + ... + 1901664.

Almost surely, 2^{1420443240344} is an apocalyptic number.

It is an amenable number.

1420443240344 is a deficient number, since it is larger than the sum of its proper divisors (1242905759776).

1420443240344 is a wasteful number, since it uses less digits than its factorization.

1420443240344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194970 (or 1194966 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 1420443240344 its reverse (4430423440241), we get a palindrome (5850866680585).

The spelling of 1420443240344 in words is "one trillion, four hundred twenty billion, four hundred forty-three million, two hundred forty thousand, three hundred forty-four".