42440201224 has 8 divisors (see below), whose sum is σ = 79575377310. Its totient is φ = 21220100608.

The previous prime is 42440201207. The next prime is 42440201233. The reversal of 42440201224 is 42210204424.

It can be written as a sum of positive squares in only one way, i.e., 32573752324 + 9866448900 = 180482^2 + 99330^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×42440201224² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2652512569 + ... + 2652512584.

Almost surely, 2^42440201224 is an apocalyptic number.

It is an amenable number.

42440201224 is a deficient number, since it is larger than the sum of its proper divisors (37135176086).

42440201224 is a wasteful number, since it uses less digits than its factorization.

42440201224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5305025159 (or 5305025155 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 42440201224 its reverse (42210204424), we get a palindrome (84650405648).

The spelling of 42440201224 in words is "forty-two billion, four hundred forty million, two hundred one thousand, two hundred twenty-four".