42440041032 has 128 divisors (see below), whose sum is σ = 112018515840. Its totient is φ = 13381355520.

The previous prime is 42440041031. The next prime is 42440041037. The reversal of 42440041032 is 23014004424.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 42440040993 and 42440041011.

It is not an unprimeable number, because it can be changed into a prime (42440041031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11175358 + ... + 11179154.

It is an arithmetic number, because the mean of its divisors is an integer number (875144655).

Almost surely, 2^42440041032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42440041032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56009257920).

42440041032 is an abundant number, since it is smaller than the sum of its proper divisors (69578474808).

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

42440041032 is a wasteful number, since it uses less digits than its factorization.

42440041032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4191 (or 4187 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 42440041032 its reverse (23014004424), we get a palindrome (65454045456).

The spelling of 42440041032 in words is "forty-two billion, four hundred forty million, forty-one thousand, thirty-two".