42441042407 has 2 divisors, whose sum is σ = 42441042408. Its totient is φ = 42441042406.

The previous prime is 42441042403. The next prime is 42441042481. The reversal of 42441042407 is 70424014424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42441042407 - 2² = 42441042403 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42441042403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21220521203 + 21220521204.

It is an arithmetic number, because the mean of its divisors is an integer number (21220521204).

Almost surely, 2^42441042407 is an apocalyptic number.

42441042407 is a deficient number, since it is larger than the sum of its proper divisors (1).

42441042407 is an equidigital number, since it uses as much as digits as its factorization.

42441042407 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.

The spelling of 42441042407 in words is "forty-two billion, four hundred forty-one million, forty-two thousand, four hundred seven".