202440449 has 2 divisors, whose sum is σ = 202440450. Its totient is φ = 202440448.

The previous prime is 202440389. The next prime is 202440463. The reversal of 202440449 is 944044202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198951025 + 3489424 = 14105^2 + 1868^2 .

It is a cyclic number.

It is not a de Polignac number, because 202440449 - 2²⁰ = 201391873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (202440479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101220224 + 101220225.

It is an arithmetic number, because the mean of its divisors is an integer number (101220225).

Almost surely, 2^202440449 is an apocalyptic number.

It is an amenable number.

202440449 is a deficient number, since it is larger than the sum of its proper divisors (1).

202440449 is an equidigital number, since it uses as much as digits as its factorization.

202440449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 202440449 is about 14228.1569080468. The cubic root of 202440449 is about 587.1725765111.

The spelling of 202440449 in words is "two hundred two million, four hundred forty thousand, four hundred forty-nine".