4002044551 has 8 divisors (see below), whose sum is σ = 4179420000. Its totient is φ = 3824950272.

The previous prime is 4002044549. The next prime is 4002044587. The reversal of 4002044551 is 1554402004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4002044551 - 2¹ = 4002044549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002044251) 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 7 ways as a sum of consecutive naturals, for example, 40930 + ... + 98383.

It is an arithmetic number, because the mean of its divisors is an integer number (522427500).

Almost surely, 2^4002044551 is an apocalyptic number.

4002044551 is a deficient number, since it is larger than the sum of its proper divisors (177375449).

4002044551 is a wasteful number, since it uses less digits than its factorization.

4002044551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140585.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 4002044551 is about 63261.7147333203. The cubic root of 4002044551 is about 1587.6714661012.

Adding to 4002044551 its reverse (1554402004), we get a palindrome (5556446555).

The spelling of 4002044551 in words is "four billion, two million, forty-four thousand, five hundred fifty-one".