4021441413440 has 112 divisors (see below), whose sum is σ = 10474175119680. Its totient is φ = 1458483425280.

The previous prime is 4021441413439. The next prime is 4021441413533. The reversal of 4021441413440 is 443141441204.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 4021441413397 and 4021441413406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173117 + ... + 2841276.

Almost surely, 2^{4021441413440} is an apocalyptic number.

4021441413440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4021441413440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5237087559840).

4021441413440 is an abundant number, since it is smaller than the sum of its proper divisors (6452733706240).

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

4021441413440 is a wasteful number, since it uses less digits than its factorization.

4021441413440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014800 (or 3014790 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 4021441413440 its reverse (443141441204), we get a palindrome (4464582854644).

The spelling of 4021441413440 in words is "four trillion, twenty-one billion, four hundred forty-one million, four hundred thirteen thousand, four hundred forty".