4000000440444 has 48 divisors (see below), whose sum is σ = 10002351303168. Its totient is φ = 1240893200448.

The previous prime is 4000000440409. The next prime is 4000000440479. The reversal of 4000000440444 is 4440440000004.

It is an interprime number because it is at equal distance from previous prime (4000000440409) and next prime (4000000440479).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195837832 + ... + 195858255.

It is an arithmetic number, because the mean of its divisors is an integer number (208382318816).

Almost surely, 2^{4000000440444} is an apocalyptic number.

It is an amenable number.

4000000440444 is an abundant number, since it is smaller than the sum of its proper divisors (6002350862724).

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

4000000440444 is a wasteful number, since it uses less digits than its factorization.

4000000440444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391696154 (or 391696152 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 4000000440444 its reverse (4440440000004), we get a palindrome (8440440440448).

It can be divided in two parts, 4000000 and 440444, that added together give a palindrome (4440444).

The spelling of 4000000440444 in words is "four trillion, four hundred forty thousand, four hundred forty-four".