240420041447 has 2 divisors, whose sum is σ = 240420041448. Its totient is φ = 240420041446.

The previous prime is 240420041383. The next prime is 240420041471. The reversal of 240420041447 is 744140024042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240420041447 - 2⁶ = 240420041383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240420043447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120210020723 + 120210020724.

It is an arithmetic number, because the mean of its divisors is an integer number (120210020724).

Almost surely, 2^240420041447 is an apocalyptic number.

240420041447 is a deficient number, since it is larger than the sum of its proper divisors (1).

240420041447 is an equidigital number, since it uses as much as digits as its factorization.

240420041447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28672, while the sum is 32.

Adding to 240420041447 its reverse (744140024042), we get a palindrome (984560065489).

The spelling of 240420041447 in words is "two hundred forty billion, four hundred twenty million, forty-one thousand, four hundred forty-seven".