4304020140421 has 4 divisors (see below), whose sum is σ = 4304034505600. Its totient is φ = 4304005775244.

The previous prime is 4304020140401. The next prime is 4304020140437. The reversal of 4304020140421 is 1240410204034.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4304020140421 - 2⁷ = 4304020140293 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 (4304020140401) 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 3 ways as a sum of consecutive naturals, for example, 6723381 + ... + 7335658.

It is an arithmetic number, because the mean of its divisors is an integer number (1076008626400).

Almost surely, 2^{4304020140421} is an apocalyptic number.

It is an amenable number.

4304020140421 is a deficient number, since it is larger than the sum of its proper divisors (14365179).

4304020140421 is a wasteful number, since it uses less digits than its factorization.

4304020140421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14365178.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 4304020140421 its reverse (1240410204034), we get a palindrome (5544430344455).

The spelling of 4304020140421 in words is "four trillion, three hundred four billion, twenty million, one hundred forty thousand, four hundred twenty-one".