44049409 has 2 divisors, whose sum is σ = 44049410. Its totient is φ = 44049408.

The previous prime is 44049403. The next prime is 44049437. The reversal of 44049409 is 90494044.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43930384 + 119025 = 6628^2 + 345^2 .

It is a cyclic number.

It is not a de Polignac number, because 44049409 - 2⁵ = 44049377 is a prime.

It is a super-3 number, since 3×44049409³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (44049403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22024704 + 22024705.

It is an arithmetic number, because the mean of its divisors is an integer number (22024705).

Almost surely, 2^44049409 is an apocalyptic number.

It is an amenable number.

44049409 is a deficient number, since it is larger than the sum of its proper divisors (1).

44049409 is an equidigital number, since it uses as much as digits as its factorization.

44049409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 44049409 is about 6636.9728792575. The cubic root of 44049409 is about 353.1669287828.

The spelling of 44049409 in words is "forty-four million, forty-nine thousand, four hundred nine".