42561365224 has 16 divisors (see below), whose sum is σ = 91202925600. Its totient is φ = 18240585072.

The previous prime is 42561365221. The next prime is 42561365233. The reversal of 42561365224 is 42256316524.

It is a happy number.

It is a super-2 number, since 2×42561365224² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42561365221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380012134 + ... + 380012245.

It is an arithmetic number, because the mean of its divisors is an integer number (5700182850).

Almost surely, 2^42561365224 is an apocalyptic number.

It is an amenable number.

42561365224 is an abundant number, since it is smaller than the sum of its proper divisors (48641560376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42561365224 is a wasteful number, since it uses less digits than its factorization.

42561365224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760024392 (or 760024388 counting only the distinct ones).

The product of its digits is 345600, while the sum is 40.

The spelling of 42561365224 in words is "forty-two billion, five hundred sixty-one million, three hundred sixty-five thousand, two hundred twenty-four".