4021440244032 has 56 divisors (see below), whose sum is σ = 10678472558176. Its totient is φ = 1335640785408.

The previous prime is 4021440243979. The next prime is 4021440244039. The reversal of 4021440244032 is 2304420441204.

It is a super-3 number, since 3×4021440244032³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021440244039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37753678 + ... + 37860045.

Almost surely, 2^{4021440244032} is an apocalyptic number.

It is an amenable number.

4021440244032 is an abundant number, since it is smaller than the sum of its proper divisors (6657032314144).

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

4021440244032 is a wasteful number, since it uses less digits than its factorization.

4021440244032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75614015 (or 75614005 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 4021440244032 its reverse (2304420441204), we get a palindrome (6325860685236).

The spelling of 4021440244032 in words is "four trillion, twenty-one billion, four hundred forty million, two hundred forty-four thousand, thirty-two".