42231000042 has 96 divisors (see below), whose sum is σ = 114187567104. Its totient is φ = 10958608800.

The previous prime is 42231000037. The next prime is 42231000061. The reversal of 42231000042 is 24000013224.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 42230999979 and 42231000024.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1492567 + ... + 1520597.

It is an arithmetic number, because the mean of its divisors is an integer number (1189453824).

Almost surely, 2^42231000042 is an apocalyptic number.

42231000042 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 42231000042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57093783552).

42231000042 is an abundant number, since it is smaller than the sum of its proper divisors (71956567062).

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

42231000042 is a wasteful number, since it uses less digits than its factorization.

42231000042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29144 (or 29141 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 42231000042 its reverse (24000013224), we get a palindrome (66231013266).

The spelling of 42231000042 in words is "forty-two billion, two hundred thirty-one million, forty-two", and thus it is an aban number.