42440221241 has 8 divisors (see below), whose sum is σ = 46449236064. Its totient is φ = 38456341920.

The previous prime is 42440221199. The next prime is 42440221273. The reversal of 42440221241 is 14212204424.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42440221241 - 2¹⁰ = 42440220217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42440221241.

It is not an unprimeable number, because it can be changed into a prime (42440221841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6280340 + ... + 6287093.

It is an arithmetic number, because the mean of its divisors is an integer number (5806154508).

Almost surely, 2^42440221241 is an apocalyptic number.

It is an amenable number.

42440221241 is a deficient number, since it is larger than the sum of its proper divisors (4009014823).

42440221241 is a wasteful number, since it uses less digits than its factorization.

42440221241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12567751.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 42440221241 its reverse (14212204424), we get a palindrome (56652425665).

The spelling of 42440221241 in words is "forty-two billion, four hundred forty million, two hundred twenty-one thousand, two hundred forty-one".