42102223232 has 64 divisors (see below), whose sum is σ = 85981532400. Its totient is φ = 20529045504.

The previous prime is 42102223231. The next prime is 42102223243. The reversal of 42102223232 is 23232220124.

42102223232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a zygodrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 42102223198 and 42102223207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42102223231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806303 + ... + 856929.

Almost surely, 2^42102223232 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 42102223232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42990766200).

42102223232 is an abundant number, since it is smaller than the sum of its proper divisors (43879309168).

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

42102223232 is an equidigital number, since it uses as much as digits as its factorization.

42102223232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50803 (or 50791 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 42102223232 its reverse (23232220124), we get a palindrome (65334443356).

The spelling of 42102223232 in words is "forty-two billion, one hundred two million, two hundred twenty-three thousand, two hundred thirty-two".