4020002442044 has 24 divisors (see below), whose sum is σ = 7212003499008. Its totient is φ = 1959755231600.

The previous prime is 4020002442037. The next prime is 4020002442139. The reversal of 4020002442044 is 4402442000204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40602632 + ... + 40701519.

It is an arithmetic number, because the mean of its divisors is an integer number (300500145792).

Almost surely, 2^{4020002442044} is an apocalyptic number.

It is an amenable number.

4020002442044 is a deficient number, since it is larger than the sum of its proper divisors (3192001056964).

4020002442044 is a wasteful number, since it uses less digits than its factorization.

4020002442044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81304465 (or 81304463 counting only the distinct ones).

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

Adding to 4020002442044 its reverse (4402442000204), we get a palindrome (8422444442248).

The spelling of 4020002442044 in words is "four trillion, twenty billion, two million, four hundred forty-two thousand, forty-four".