42656132032 has 56 divisors (see below), whose sum is σ = 85928435712. Its totient is φ = 21005510400.

The previous prime is 42656132027. The next prime is 42656132059. The reversal of 42656132032 is 23023165624.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4825857 + ... + 4834687.

It is an arithmetic number, because the mean of its divisors is an integer number (1534436352).

Almost surely, 2^42656132032 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 42656132032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42964217856).

42656132032 is an abundant number, since it is smaller than the sum of its proper divisors (43272303680).

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

42656132032 is a wasteful number, since it uses less digits than its factorization.

42656132032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9977 (or 9967 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 42656132032 its reverse (23023165624), we get a palindrome (65679297656).

The spelling of 42656132032 in words is "forty-two billion, six hundred fifty-six million, one hundred thirty-two thousand, thirty-two".