4434400409 has 4 divisors (see below), whose sum is σ = 4438778916. Its totient is φ = 4430021904.

The previous prime is 4434400361. The next prime is 4434400417. The reversal of 4434400409 is 9040044344.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1524121600 + 2910278809 = 39040^2 + 53947^2 .

It is a cyclic number.

It is not a de Polignac number, because 4434400409 - 2⁸ = 4434400153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4434400109) 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, 2187734 + ... + 2189759.

It is an arithmetic number, because the mean of its divisors is an integer number (1109694729).

Almost surely, 2^4434400409 is an apocalyptic number.

It is an amenable number.

4434400409 is a deficient number, since it is larger than the sum of its proper divisors (4378507).

4434400409 is a wasteful number, since it uses less digits than its factorization.

4434400409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4378506.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 4434400409 is about 66591.2937928075. The cubic root of 4434400409 is about 1642.9019126469.

The spelling of 4434400409 in words is "four billion, four hundred thirty-four million, four hundred thousand, four hundred nine".