40443411040427 has 2 divisors, whose sum is σ = 40443411040428. Its totient is φ = 40443411040426.

The previous prime is 40443411040423. The next prime is 40443411040429. The reversal of 40443411040427 is 72404011434404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40443411040427 - 2² = 40443411040423 is a prime.

Together with 40443411040429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40443411040423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20221705520213 + 20221705520214.

It is an arithmetic number, because the mean of its divisors is an integer number (20221705520214).

Almost surely, 2^{40443411040427} is an apocalyptic number.

40443411040427 is a deficient number, since it is larger than the sum of its proper divisors (1).

40443411040427 is an equidigital number, since it uses as much as digits as its factorization.

40443411040427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172032, while the sum is 38.

The spelling of 40443411040427 in words is "forty trillion, four hundred forty-three billion, four hundred eleven million, forty thousand, four hundred twenty-seven".