240442151441 has 2 divisors, whose sum is σ = 240442151442. Its totient is φ = 240442151440.

The previous prime is 240442151419. The next prime is 240442151491. The reversal of 240442151441 is 144151244042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170132325841 + 70309825600 = 412471^2 + 265160^2 .

It is a cyclic number.

It is not a de Polignac number, because 240442151441 - 2¹⁴ = 240442135057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240442151398 and 240442151407.

It is not a weakly prime, because it can be changed into another prime (240442151491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120221075720 + 120221075721.

It is an arithmetic number, because the mean of its divisors is an integer number (120221075721).

Almost surely, 2^240442151441 is an apocalyptic number.

It is an amenable number.

240442151441 is a deficient number, since it is larger than the sum of its proper divisors (1).

240442151441 is an equidigital number, since it uses as much as digits as its factorization.

240442151441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20480, while the sum is 32.

Adding to 240442151441 its reverse (144151244042), we get a palindrome (384593395483).

The spelling of 240442151441 in words is "two hundred forty billion, four hundred forty-two million, one hundred fifty-one thousand, four hundred forty-one".