42505222441 has 32 divisors (see below), whose sum is σ = 47900160000. Its totient is φ = 37390066560.

The previous prime is 42505222439. The next prime is 42505222447. The reversal of 42505222441 is 14422250524.

It is not a de Polignac number, because 42505222441 - 2¹ = 42505222439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42505222447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13803340 + ... + 13806418.

It is an arithmetic number, because the mean of its divisors is an integer number (1496880000).

Almost surely, 2^42505222441 is an apocalyptic number.

It is an amenable number.

42505222441 is a deficient number, since it is larger than the sum of its proper divisors (5394937559).

42505222441 is a wasteful number, since it uses less digits than its factorization.

42505222441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3477.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 42505222441 its reverse (14422250524), we get a palindrome (56927472965).

The spelling of 42505222441 in words is "forty-two billion, five hundred five million, two hundred twenty-two thousand, four hundred forty-one".