440341357 has 2 divisors, whose sum is σ = 440341358. Its totient is φ = 440341356.

The previous prime is 440341351. The next prime is 440341373. The reversal of 440341357 is 753143044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 431849961 + 8491396 = 20781^2 + 2914^2 .

It is a cyclic number.

It is not a de Polignac number, because 440341357 - 2⁷ = 440341229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440341351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220170678 + 220170679.

It is an arithmetic number, because the mean of its divisors is an integer number (220170679).

Almost surely, 2^440341357 is an apocalyptic number.

It is an amenable number.

440341357 is a deficient number, since it is larger than the sum of its proper divisors (1).

440341357 is an equidigital number, since it uses as much as digits as its factorization.

440341357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 440341357 is about 20984.3121640906. The cubic root of 440341357 is about 760.7871328913.

The spelling of 440341357 in words is "four hundred forty million, three hundred forty-one thousand, three hundred fifty-seven".