4014404444021 has 8 divisors (see below), whose sum is σ = 4190931564600. Its totient is φ = 3840417282240.

The previous prime is 4014404444009. The next prime is 4014404444053. The reversal of 4014404444021 is 1204444044104.

It can be written as a sum of positive squares in 4 ways, for example, as 2305857435025 + 1708547008996 = 1518505^2 + 1307114^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4014404444021 is a prime.

It is a super-2 number, since 2×4014404444021² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4014404444221) 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, 634986470 + ... + 634992791.

It is an arithmetic number, because the mean of its divisors is an integer number (523866445575).

Almost surely, 2^{4014404444021} is an apocalyptic number.

It is an amenable number.

4014404444021 is a deficient number, since it is larger than the sum of its proper divisors (176527120579).

4014404444021 is a wasteful number, since it uses less digits than its factorization.

4014404444021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269979399.

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 4014404444021 its reverse (1204444044104), we get a palindrome (5218848488125).

The spelling of 4014404444021 in words is "four trillion, fourteen billion, four hundred four million, four hundred forty-four thousand, twenty-one".