42013441432 has 8 divisors (see below), whose sum is σ = 78775202700. Its totient is φ = 21006720712.

The previous prime is 42013441427. The next prime is 42013441439. The reversal of 42013441432 is 23414431024.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42013441432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42013441439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625840082 + ... + 2625840097.

Almost surely, 2^42013441432 is an apocalyptic number.

It is an amenable number.

42013441432 is a deficient number, since it is larger than the sum of its proper divisors (36761761268).

42013441432 is a wasteful number, since it uses less digits than its factorization.

42013441432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5251680185 (or 5251680181 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 42013441432 its reverse (23414431024), we get a palindrome (65427872456).

The spelling of 42013441432 in words is "forty-two billion, thirteen million, four hundred forty-one thousand, four hundred thirty-two".