244440641 has 2 divisors, whose sum is σ = 244440642. Its totient is φ = 244440640.

The previous prime is 244440631. The next prime is 244440649. The reversal of 244440641 is 146044442.

244440641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227135041 + 17305600 = 15071^2 + 4160^2 .

It is a cyclic number.

It is not a de Polignac number, because 244440641 - 2⁶ = 244440577 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (244440649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122220320 + 122220321.

It is an arithmetic number, because the mean of its divisors is an integer number (122220321).

Almost surely, 2^244440641 is an apocalyptic number.

It is an amenable number.

244440641 is a deficient number, since it is larger than the sum of its proper divisors (1).

244440641 is an equidigital number, since it uses as much as digits as its factorization.

244440641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 244440641 is about 15634.5975643763. The cubic root of 244440641 is about 625.2559088561.

The spelling of 244440641 in words is "two hundred forty-four million, four hundred forty thousand, six hundred forty-one".