40442400541 has 2 divisors, whose sum is σ = 40442400542. Its totient is φ = 40442400540.

The previous prime is 40442400527. The next prime is 40442400611. The reversal of 40442400541 is 14500424404.

40442400541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22525507225 + 17916893316 = 150085^2 + 133854^2 .

It is a cyclic number.

It is not a de Polignac number, because 40442400541 - 2³³ = 31852465949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40442400511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20221200270 + 20221200271.

It is an arithmetic number, because the mean of its divisors is an integer number (20221200271).

Almost surely, 2^40442400541 is an apocalyptic number.

It is an amenable number.

40442400541 is a deficient number, since it is larger than the sum of its proper divisors (1).

40442400541 is an equidigital number, since it uses as much as digits as its factorization.

40442400541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 40442400541 its reverse (14500424404), we get a palindrome (54942824945).

The spelling of 40442400541 in words is "forty billion, four hundred forty-two million, four hundred thousand, five hundred forty-one".