4021441413438 has 32 divisors (see below), whose sum is σ = 8098888412160. Its totient is φ = 1331177904000.

The previous prime is 4021441413421. The next prime is 4021441413439. The reversal of 4021441413438 is 8343141441204.

It is a junction number, because it is equal to n+sod(n) for n = 4021441413396 and 4021441413405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021441413439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3454318 + ... + 4469361.

It is an arithmetic number, because the mean of its divisors is an integer number (253090262880).

Almost surely, 2^{4021441413438} is an apocalyptic number.

4021441413438 is an abundant number, since it is smaller than the sum of its proper divisors (4077446998722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4021441413438 is a wasteful number, since it uses less digits than its factorization.

4021441413438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7924272.

The product of its (nonzero) digits is 147456, while the sum is 39.

The spelling of 4021441413438 in words is "four trillion, twenty-one billion, four hundred forty-one million, four hundred thirteen thousand, four hundred thirty-eight".