4040000044 has 6 divisors (see below), whose sum is σ = 7070000084. Its totient is φ = 2020000020.

The previous prime is 4039999981. The next prime is 4040000047. The reversal of 4040000044 is 4400000404.

It is a junction number, because it is equal to n+sod(n) for n = 4039999982 and 4040000027.

It is not an unprimeable number, because it can be changed into a prime (4040000047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505000002 + ... + 505000009.

Almost surely, 2^4040000044 is an apocalyptic number.

It is an amenable number.

4040000044 is a deficient number, since it is larger than the sum of its proper divisors (3030000040).

4040000044 is a wasteful number, since it uses less digits than its factorization.

4040000044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010000015 (or 1010000013 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 4040000044 is about 63560.9946744070. The cubic root of 4040000044 is about 1592.6748541398.

Adding to 4040000044 its reverse (4400000404), we get a palindrome (8440000448).

The spelling of 4040000044 in words is "four billion, forty million, forty-four", and thus it is an aban number and an eban number.