4024042220421 has 12 divisors (see below), whose sum is σ = 5813041433472. Its totient is φ = 2682447427176.

The previous prime is 4024042220411. The next prime is 4024042220459. The reversal of 4024042220421 is 1240222404204.

It is not a de Polignac number, because 4024042220421 - 2⁶ = 4024042220357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4024042220411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20512491 + ... + 20707736.

It is an arithmetic number, because the mean of its divisors is an integer number (484420119456).

Almost surely, 2^{4024042220421} is an apocalyptic number.

It is an amenable number.

4024042220421 is a deficient number, since it is larger than the sum of its proper divisors (1788999213051).

4024042220421 is a wasteful number, since it uses less digits than its factorization.

4024042220421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41231080 (or 41231077 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 4024042220421 its reverse (1240222404204), we get a palindrome (5264264624625).

The spelling of 4024042220421 in words is "four trillion, twenty-four billion, forty-two million, two hundred twenty thousand, four hundred twenty-one".