4424201201421 has 24 divisors (see below), whose sum is σ = 6431702397120. Its totient is φ = 2930472968256.

The previous prime is 4424201201411. The next prime is 4424201201461. The reversal of 4424201201421 is 1241021024244.

4424201201421 is a `hidden beast` number, since 4 + 424 + 201 + 2 + 0 + 14 + 21 = 666.

It is not a de Polignac number, because 4424201201421 - 2⁵ = 4424201201389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4424201201411) 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 23 ways as a sum of consecutive naturals, for example, 2643025 + ... + 3979193.

It is an arithmetic number, because the mean of its divisors is an integer number (267987599880).

Almost surely, 2^{4424201201421} is an apocalyptic number.

It is an amenable number.

4424201201421 is a deficient number, since it is larger than the sum of its proper divisors (2007501195699).

4424201201421 is a wasteful number, since it uses less digits than its factorization.

4424201201421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338545 (or 1338542 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 4424201201421 its reverse (1241021024244), we get a palindrome (5665222225665).

The spelling of 4424201201421 in words is "four trillion, four hundred twenty-four billion, two hundred one million, two hundred one thousand, four hundred twenty-one".