4044401409 has 4 divisors (see below), whose sum is σ = 5392535216. Its totient is φ = 2696267604.

The previous prime is 4044401381. The next prime is 4044401411. The reversal of 4044401409 is 9041044404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4044401409 - 2¹¹ = 4044399361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4044401209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674066899 + ... + 674066904.

It is an arithmetic number, because the mean of its divisors is an integer number (1348133804).

Almost surely, 2^4044401409 is an apocalyptic number.

It is an amenable number.

4044401409 is a deficient number, since it is larger than the sum of its proper divisors (1348133807).

4044401409 is a wasteful number, since it uses less digits than its factorization.

4044401409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348133806.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 4044401409 is about 63595.6084097007. The cubic root of 4044401409 is about 1593.2530223881.

The spelling of 4044401409 in words is "four billion, forty-four million, four hundred one thousand, four hundred nine".