4321440346261 has 16 divisors (see below), whose sum is σ = 4517307076608. Its totient is φ = 4126244782000.

The previous prime is 4321440346213. The next prime is 4321440346277. The reversal of 4321440346261 is 1626430441234.

It is a cyclic number.

It is not a de Polignac number, because 4321440346261 - 2⁹ = 4321440345749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321440746261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30458436 + ... + 30599986.

It is an arithmetic number, because the mean of its divisors is an integer number (282331692288).

Almost surely, 2^{4321440346261} is an apocalyptic number.

It is an amenable number.

4321440346261 is a deficient number, since it is larger than the sum of its proper divisors (195866730347).

4321440346261 is a wasteful number, since it uses less digits than its factorization.

4321440346261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143912.

The product of its (nonzero) digits is 331776, while the sum is 40.

Adding to 4321440346261 its reverse (1626430441234), we get a palindrome (5947870787495).

The spelling of 4321440346261 in words is "four trillion, three hundred twenty-one billion, four hundred forty million, three hundred forty-six thousand, two hundred sixty-one".