2342440444421 has 12 divisors (see below), whose sum is σ = 2972596037760. Its totient is φ = 1825278267960.

The previous prime is 2342440444387. The next prime is 2342440444453. The reversal of 2342440444421 is 1244440442432.

It is a de Polignac number, because none of the positive numbers 2^k-2342440444421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2342440449421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2172949781 + ... + 2172950858.

It is an arithmetic number, because the mean of its divisors is an integer number (247716336480).

Almost surely, 2^{2342440444421} is an apocalyptic number.

It is an amenable number.

2342440444421 is a deficient number, since it is larger than the sum of its proper divisors (630155593339).

2342440444421 is a wasteful number, since it uses less digits than its factorization.

2342440444421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4345900664 (or 4345900657 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 38.

Adding to 2342440444421 its reverse (1244440442432), we get a palindrome (3586880886853).

The spelling of 2342440444421 in words is "two trillion, three hundred forty-two billion, four hundred forty million, four hundred forty-four thousand, four hundred twenty-one".