42352442 has 32 divisors (see below), whose sum is σ = 71677440. Its totient is φ = 18604080.

The previous prime is 42352433. The next prime is 42352447. The reversal of 42352442 is 24425324.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42352447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86723 + ... + 87209.

It is an arithmetic number, because the mean of its divisors is an integer number (2239920).

Almost surely, 2^42352442 is an apocalyptic number.

42352442 is a deficient number, since it is larger than the sum of its proper divisors (29324998).

42352442 is a wasteful number, since it uses less digits than its factorization.

42352442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626.

The product of its digits is 7680, while the sum is 26.

The square root of 42352442 is about 6507.8753829495. The cubic root of 42352442 is about 348.5722572477.

Adding to 42352442 its reverse (24425324), we get a palindrome (66777766).

The spelling of 42352442 in words is "forty-two million, three hundred fifty-two thousand, four hundred forty-two".