4040044002 has 24 divisors (see below), whose sum is σ = 8754729984. Its totient is φ = 1346481144.

The previous prime is 4040043989. The next prime is 4040044009. The reversal of 4040044002 is 2004400404.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4040044009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156163 + ... + 180185.

It is an arithmetic number, because the mean of its divisors is an integer number (364780416).

Almost surely, 2^4040044002 is an apocalyptic number.

4040044002 is an abundant number, since it is smaller than the sum of its proper divisors (4714685982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4040044002 is a wasteful number, since it uses less digits than its factorization.

4040044002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33374 (or 33371 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 4040044002 is about 63561.3404672998. The cubic root of 4040044002 is about 1592.6806305876.

Adding to 4040044002 its reverse (2004400404), we get a palindrome (6044444406).

The spelling of 4040044002 in words is "four billion, forty million, forty-four thousand, two", and thus it is an eban number.