42243422032 has 80 divisors (see below), whose sum is σ = 94238190592. Its totient is φ = 17969402880.

The previous prime is 42243422017. The next prime is 42243422051. The reversal of 42243422032 is 23022434224.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12303388 + ... + 12306820.

Almost surely, 2^42243422032 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 42243422032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47119095296).

42243422032 is an abundant number, since it is smaller than the sum of its proper divisors (51994768560).

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

42243422032 is a wasteful number, since it uses less digits than its factorization.

42243422032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4236 (or 4230 counting only the distinct ones).

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

Adding to 42243422032 its reverse (23022434224), we get a palindrome (65265856256).

The spelling of 42243422032 in words is "forty-two billion, two hundred forty-three million, four hundred twenty-two thousand, thirty-two".