44433409 has 2 divisors, whose sum is σ = 44433410. Its totient is φ = 44433408.

The previous prime is 44433391. The next prime is 44433413. The reversal of 44433409 is 90433444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31809600 + 12623809 = 5640^2 + 3553^2 .

It is a cyclic number.

It is not a de Polignac number, because 44433409 - 2¹⁵ = 44400641 is a prime.

It is a super-2 number, since 2×44433409² = 3948655670722562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44433449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22216704 + 22216705.

It is an arithmetic number, because the mean of its divisors is an integer number (22216705).

It is a Proth number, since it is equal to 339 ⋅ 2¹⁷ + 1 and 339 < 2¹⁷.

Almost surely, 2^44433409 is an apocalyptic number.

It is an amenable number.

44433409 is a deficient number, since it is larger than the sum of its proper divisors (1).

44433409 is an equidigital number, since it uses as much as digits as its factorization.

44433409 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 31.

The square root of 44433409 is about 6665.8389569506. The cubic root of 44433409 is about 354.1902033601.

The spelling of 44433409 in words is "forty-four million, four hundred thirty-three thousand, four hundred nine".