1040235542441 has 2 divisors, whose sum is σ = 1040235542442. Its totient is φ = 1040235542440.

The previous prime is 1040235542399. The next prime is 1040235542447. The reversal of 1040235542441 is 1442455320401.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 954585666841 + 85649875600 = 977029^2 + 292660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040235542441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1040235542447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520117771220 + 520117771221.

It is an arithmetic number, because the mean of its divisors is an integer number (520117771221).

Almost surely, 2^{1040235542441} is an apocalyptic number.

It is an amenable number.

1040235542441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040235542441 is an equidigital number, since it uses as much as digits as its factorization.

1040235542441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 1040235542441 in words is "one trillion, forty billion, two hundred thirty-five million, five hundred forty-two thousand, four hundred forty-one".