42326340 has 96 divisors (see below), whose sum is σ = 136442880. Its totient is φ = 9603456.

The previous prime is 42326327. The next prime is 42326369. The reversal of 42326340 is 4362324.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42326340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74899 + ... + 75461.

It is an arithmetic number, because the mean of its divisors is an integer number (1421280).

Almost surely, 2^42326340 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 42326340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68221440).

42326340 is an abundant number, since it is smaller than the sum of its proper divisors (94116540).

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

42326340 is a wasteful number, since it uses less digits than its factorization.

42326340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 42326340 is about 6505.8696574709. The cubic root of 42326340 is about 348.5006336498.

Adding to 42326340 its reverse (4362324), we get a palindrome (46688664).

The spelling of 42326340 in words is "forty-two million, three hundred twenty-six thousand, three hundred forty".