4000044021311 has 8 divisors (see below), whose sum is σ = 4456282464480. Its totient is φ = 3565025970912.

The previous prime is 4000044021299. The next prime is 4000044021313. The reversal of 4000044021311 is 1131204400004.

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 4000044021311 - 2¹⁴ = 4000044004927 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 (4000044021313) 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, 5305097795 + ... + 5305098548.

It is an arithmetic number, because the mean of its divisors is an integer number (557035308060).

Almost surely, 2^{4000044021311} is an apocalyptic number.

4000044021311 is a deficient number, since it is larger than the sum of its proper divisors (456238443169).

4000044021311 is a wasteful number, since it uses less digits than its factorization.

4000044021311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10610196385.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 4000044021311 its reverse (1131204400004), we get a palindrome (5131248421315).

The spelling of 4000044021311 in words is "four trillion, forty-four million, twenty-one thousand, three hundred eleven".