42643532832 has 192 divisors, whose sum is σ = 115790653440. Its totient is φ = 13736577024.

The previous prime is 42643532807. The next prime is 42643532839. The reversal of 42643532832 is 23823534624.

It is not an unprimeable number, because it can be changed into a prime (42643532839) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97137669 + ... + 97138107.

It is an arithmetic number, because the mean of its divisors is an integer number (603076320).

Almost surely, 2^42643532832 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 42643532832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57895326720).

42643532832 is an abundant number, since it is smaller than the sum of its proper divisors (73147120608).

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

42643532832 is a wasteful number, since it uses less digits than its factorization.

42643532832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775 (or 767 counting only the distinct ones).

The product of its digits is 829440, while the sum is 42.

The spelling of 42643532832 in words is "forty-two billion, six hundred forty-three million, five hundred thirty-two thousand, eight hundred thirty-two".