42385082 has 4 divisors (see below), whose sum is σ = 63577626. Its totient is φ = 21192540.

The previous prime is 42385081. The next prime is 42385129. The reversal of 42385082 is 28058324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 31685641 + 10699441 = 5629^2 + 3271^2 .

It is a super-2 number, since 2×42385082² = 3592990352293448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42385081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10596269 + ... + 10596272.

Almost surely, 2^42385082 is an apocalyptic number.

42385082 is a deficient number, since it is larger than the sum of its proper divisors (21192544).

42385082 is a wasteful number, since it uses less digits than its factorization.

42385082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21192543.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 42385082 is about 6510.3826308444. The cubic root of 42385082 is about 348.6617796494.

The spelling of 42385082 in words is "forty-two million, three hundred eighty-five thousand, eighty-two".