440024149 has 2 divisors, whose sum is σ = 440024150. Its totient is φ = 440024148.

The previous prime is 440024131. The next prime is 440024161. The reversal of 440024149 is 941420044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242424900 + 197599249 = 15570^2 + 14057^2 .

It is a cyclic number.

It is not a de Polignac number, because 440024149 - 2¹³ = 440015957 is a prime.

It is a super-4 number, since 4×440024149⁴ (a number of 36 digits) contains 4444 as substring.

It is equal to p_23351743 and since 440024149 and 23351743 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440024129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220012074 + 220012075.

It is an arithmetic number, because the mean of its divisors is an integer number (220012075).

Almost surely, 2^440024149 is an apocalyptic number.

It is an amenable number.

440024149 is a deficient number, since it is larger than the sum of its proper divisors (1).

440024149 is an equidigital number, since it uses as much as digits as its factorization.

440024149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 440024149 is about 20976.7525847067. The cubic root of 440024149 is about 760.6044066703.

The spelling of 440024149 in words is "four hundred forty million, twenty-four thousand, one hundred forty-nine".