4021444301340 has 48 divisors (see below), whose sum is σ = 11564369564832. Its totient is φ = 1043401764096.

The previous prime is 4021444301333. The next prime is 4021444301353. The reversal of 4021444301340 is 431034441204.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4021444301298 and 4021444301307.

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, 905728479 + ... + 905732918.

It is an arithmetic number, because the mean of its divisors is an integer number (240924365934).

Almost surely, 2^{4021444301340} is an apocalyptic number.

It is an amenable number.

4021444301340 is an abundant number, since it is smaller than the sum of its proper divisors (7542925263492).

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

4021444301340 is a wasteful number, since it uses less digits than its factorization.

4021444301340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811461446 (or 1811461444 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 4021444301340 its reverse (431034441204), we get a palindrome (4452478742544).

The spelling of 4021444301340 in words is "four trillion, twenty-one billion, four hundred forty-four million, three hundred one thousand, three hundred forty".