4001434421044 has 24 divisors (see below), whose sum is σ = 7056128284128. Its totient is φ = 1985398477920.

The previous prime is 4001434421021. The next prime is 4001434421057. The reversal of 4001434421044 is 4401244341004.

It is a super-2 number, since 2×4001434421044² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4001434420997 and 4001434421015.

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, 38663014 + ... + 38766370.

It is an arithmetic number, because the mean of its divisors is an integer number (294005345172).

Almost surely, 2^{4001434421044} is an apocalyptic number.

It is an amenable number.

4001434421044 is a deficient number, since it is larger than the sum of its proper divisors (3054693863084).

4001434421044 is a wasteful number, since it uses less digits than its factorization.

4001434421044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177375 (or 177373 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 4001434421044 its reverse (4401244341004), we get a palindrome (8402678762048).

The spelling of 4001434421044 in words is "four trillion, one billion, four hundred thirty-four million, four hundred twenty-one thousand, forty-four".