4440111440021 has 8 divisors (see below), whose sum is σ = 4585194273024. Its totient is φ = 4295144446560.

The previous prime is 4440111439919. The next prime is 4440111440027. The reversal of 4440111440021 is 1200441110444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4440111440021 - 2¹⁴ = 4440111423637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440111440027) 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, 28881971 + ... + 29035296.

It is an arithmetic number, because the mean of its divisors is an integer number (573149284128).

Almost surely, 2^{4440111440021} is an apocalyptic number.

It is an amenable number.

4440111440021 is a deficient number, since it is larger than the sum of its proper divisors (145082833003).

4440111440021 is a wasteful number, since it uses less digits than its factorization.

4440111440021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57919771.

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 4440111440021 its reverse (1200441110444), we get a palindrome (5640552550465).

The spelling of 4440111440021 in words is "four trillion, four hundred forty billion, one hundred eleven million, four hundred forty thousand, twenty-one".