4004040240044 has 24 divisors (see below), whose sum is σ = 7546134688848. Its totient is φ = 1848004159680.

The previous prime is 4004040240043. The next prime is 4004040240071. The reversal of 4004040240044 is 4400420404004.

It is a happy number.

4004040240044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4004040240044² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 4004040239995 and 4004040240022.

It is not an unprimeable number, because it can be changed into a prime (4004040240043) 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, 9441479 + ... + 9856449.

It is an arithmetic number, because the mean of its divisors is an integer number (314422278702).

Almost surely, 2^{4004040240044} is an apocalyptic number.

It is an amenable number.

4004040240044 is a deficient number, since it is larger than the sum of its proper divisors (3542094448804).

4004040240044 is a wasteful number, since it uses less digits than its factorization.

4004040240044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600545 (or 600543 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 4004040240044 its reverse (4400420404004), we get a palindrome (8404460644048).

The spelling of 4004040240044 in words is "four trillion, four billion, forty million, two hundred forty thousand, forty-four".