440349241 has 2 divisors, whose sum is σ = 440349242. Its totient is φ = 440349240.

The previous prime is 440349229. The next prime is 440349257. The reversal of 440349241 is 142943044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 371525625 + 68823616 = 19275^2 + 8296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440349241 is a prime.

It is a Chen prime.

It is the 20985-th Hogben number.

It is not a weakly prime, because it can be changed into another prime (440349211) by changing a digit.

It is a nontrivial repunit in base 20984.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220174620 + 220174621.

It is an arithmetic number, because the mean of its divisors is an integer number (220174621).

Almost surely, 2^440349241 is an apocalyptic number.

It is an amenable number.

440349241 is a deficient number, since it is larger than the sum of its proper divisors (1).

440349241 is an equidigital number, since it uses as much as digits as its factorization.

440349241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 440349241 is about 20984.5000178703. The cubic root of 440349241 is about 760.7916733157.

The spelling of 440349241 in words is "four hundred forty million, three hundred forty-nine thousand, two hundred forty-one".