42432044032 has 88 divisors (see below), whose sum is σ = 97523403264. Its totient is φ = 18075758592.

The previous prime is 42432044029. The next prime is 42432044069. The reversal of 42432044032 is 23044023424.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1179333 + ... + 1214779.

Almost surely, 2^42432044032 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 42432044032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48761701632).

42432044032 is an abundant number, since it is smaller than the sum of its proper divisors (55091359232).

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

42432044032 is a wasteful number, since it uses less digits than its factorization.

42432044032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35641 (or 35623 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 42432044032 its reverse (23044023424), we get a palindrome (65476067456).

The spelling of 42432044032 in words is "forty-two billion, four hundred thirty-two million, forty-four thousand, thirty-two".