42343442 has 8 divisors (see below), whose sum is σ = 64144332. Its totient is φ = 20962000.

The previous prime is 42343439. The next prime is 42343471. The reversal of 42343442 is 24434324.

It can be written as a sum of positive squares in 2 ways, for example, as 35988001 + 6355441 = 5999^2 + 2521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104609 + ... + 105012.

Almost surely, 2^42343442 is an apocalyptic number.

42343442 is a deficient number, since it is larger than the sum of its proper divisors (21800890).

42343442 is a wasteful number, since it uses less digits than its factorization.

42343442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209724.

The product of its digits is 9216, while the sum is 26.

The square root of 42343442 is about 6507.1838763016. The cubic root of 42343442 is about 348.5475646727.

Adding to 42343442 its reverse (24434324), we get a palindrome (66777766).

The spelling of 42343442 in words is "forty-two million, three hundred forty-three thousand, four hundred forty-two".