42233940 has 96 divisors (see below), whose sum is σ = 150178560. Its totient is φ = 9652608.

The previous prime is 42233927. The next prime is 42233999. The reversal of 42233940 is 4933224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1807 + ... + 9366.

It is an arithmetic number, because the mean of its divisors is an integer number (1564360).

Almost surely, 2^42233940 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 42233940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75089280).

42233940 is an abundant number, since it is smaller than the sum of its proper divisors (107944620).

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

42233940 is a wasteful number, since it uses less digits than its factorization.

42233940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11198 (or 11190 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 42233940 is about 6498.7644979642. The cubic root of 42233940 is about 348.2468522035.

The spelling of 42233940 in words is "forty-two million, two hundred thirty-three thousand, nine hundred forty".