4044400342409 has 8 divisors (see below), whose sum is σ = 4622373308928. Its totient is φ = 3466477748160.

The previous prime is 4044400342361. The next prime is 4044400342421. The reversal of 4044400342409 is 9042430044404.

It is a happy number.

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

It is not a de Polignac number, because 4044400342409 - 2²⁴ = 4044383565193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4044400342909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12420857 + ... + 12742310.

It is an arithmetic number, because the mean of its divisors is an integer number (577796663616).

Almost surely, 2^{4044400342409} is an apocalyptic number.

It is an amenable number.

4044400342409 is a deficient number, since it is larger than the sum of its proper divisors (577972966519).

4044400342409 is a wasteful number, since it uses less digits than its factorization.

4044400342409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25186135.

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 4044400342409 in words is "four trillion, forty-four billion, four hundred million, three hundred forty-two thousand, four hundred nine".