42521432112 has 50 divisors (see below), whose sum is σ = 123069364748. Its totient is φ = 14173810272.

The previous prime is 42521432089. The next prime is 42521432119. The reversal of 42521432112 is 21123412524.

42521432112 is a `hidden beast` number, since 425 + 21 + 4 + 3 + 211 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42521432119) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16403578 + ... + 16406169.

Almost surely, 2^42521432112 is an apocalyptic number.

It is an amenable number.

42521432112 is an abundant number, since it is smaller than the sum of its proper divisors (80547932636).

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

42521432112 is a wasteful number, since it uses less digits than its factorization.

42521432112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32809767 (or 32809752 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

Adding to 42521432112 its reverse (21123412524), we get a palindrome (63644844636).

The spelling of 42521432112 in words is "forty-two billion, five hundred twenty-one million, four hundred thirty-two thousand, one hundred twelve".