4032041213421 has 48 divisors (see below), whose sum is σ = 6293398967856. Its totient is φ = 2472819867648.

The previous prime is 4032041213393. The next prime is 4032041213449. The reversal of 4032041213421 is 1243121402304.

4032041213421 is a `hidden beast` number, since 4 + 0 + 3 + 20 + 4 + 1 + 213 + 421 = 666.

It is an interprime number because it is at equal distance from previous prime (4032041213393) and next prime (4032041213449).

It can be written as a sum of positive squares in 8 ways, for example, as 1875637072521 + 2156404140900 = 1369539^2 + 1468470^2 .

It is not a de Polignac number, because 4032041213421 - 2¹³ = 4032041205229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4032041218421) 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 47 ways as a sum of consecutive naturals, for example, 185174491 + ... + 185196263.

It is an arithmetic number, because the mean of its divisors is an integer number (131112478497).

Almost surely, 2^{4032041213421} is an apocalyptic number.

It is an amenable number.

4032041213421 is a deficient number, since it is larger than the sum of its proper divisors (2261357754435).

4032041213421 is a wasteful number, since it uses less digits than its factorization.

4032041213421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27102 (or 27099 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 4032041213421 its reverse (1243121402304), we get a palindrome (5275162615725).

The spelling of 4032041213421 in words is "four trillion, thirty-two billion, forty-one million, two hundred thirteen thousand, four hundred twenty-one".