4000424004044 has 48 divisors (see below), whose sum is σ = 7617239691936. Its totient is φ = 1827334080000.

The previous prime is 4000424004043. The next prime is 4000424004091. The reversal of 4000424004044 is 4404004240004.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (4000424004043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1509794 + ... + 3206294.

It is an arithmetic number, because the mean of its divisors is an integer number (158692493582).

Almost surely, 2^{4000424004044} is an apocalyptic number.

It is an amenable number.

4000424004044 is a deficient number, since it is larger than the sum of its proper divisors (3616815687892).

4000424004044 is a wasteful number, since it uses less digits than its factorization.

4000424004044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696986 (or 1696984 counting only the distinct ones).

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

Adding to 4000424004044 its reverse (4404004240004), we get a palindrome (8404428244048).

The spelling of 4000424004044 in words is "four trillion, four hundred twenty-four million, four thousand, forty-four".