4340530421 has 8 divisors (see below), whose sum is σ = 4473067704. Its totient is φ = 4208794560.

The previous prime is 4340530393. The next prime is 4340530459. The reversal of 4340530421 is 1240350434.

It can be written as a sum of positive squares in 4 ways, for example, as 3756341521 + 584188900 = 61289^2 + 24170^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4340530421 - 2⁶ = 4340530357 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 (4340530921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189350 + ... + 211031.

It is an arithmetic number, because the mean of its divisors is an integer number (559133463).

Almost surely, 2^4340530421 is an apocalyptic number.

It is an amenable number.

4340530421 is a deficient number, since it is larger than the sum of its proper divisors (132537283).

4340530421 is a wasteful number, since it uses less digits than its factorization.

4340530421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400711.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 4340530421 is about 65882.7019861815. The cubic root of 4340530421 is about 1631.2264999458.

Adding to 4340530421 its reverse (1240350434), we get a palindrome (5580880855).

The spelling of 4340530421 in words is "four billion, three hundred forty million, five hundred thirty thousand, four hundred twenty-one".