42400022041 has 4 divisors (see below), whose sum is σ = 45661562212. Its totient is φ = 39138481872.

The previous prime is 42400022009. The next prime is 42400022053. The reversal of 42400022041 is 14022000424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21607824016 + 20792198025 = 146996^2 + 144195^2 .

It is a cyclic number.

It is not a de Polignac number, because 42400022041 - 2⁵ = 42400022009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42400020041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1630770066 + ... + 1630770091.

It is an arithmetic number, because the mean of its divisors is an integer number (11415390553).

Almost surely, 2^42400022041 is an apocalyptic number.

It is an amenable number.

42400022041 is a deficient number, since it is larger than the sum of its proper divisors (3261540171).

42400022041 is a wasteful number, since it uses less digits than its factorization.

42400022041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3261540170.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 42400022041 its reverse (14022000424), we get a palindrome (56422022465).

The spelling of 42400022041 in words is "forty-two billion, four hundred million, twenty-two thousand, forty-one".