42982818 has 8 divisors (see below), whose sum is σ = 85965648. Its totient is φ = 14327604.

The previous prime is 42982813. The next prime is 42982853. The reversal of 42982818 is 81828924.

42982818 is nontrivially palindromic in base 15.

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

42982818 is an admirable number.

It is a super-2 number, since 2×42982818² = 3695045286442248, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42982818.

It is not an unprimeable number, because it can be changed into a prime (42982811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3581896 + ... + 3581907.

It is an arithmetic number, because the mean of its divisors is an integer number (10745706).

Almost surely, 2^42982818 is an apocalyptic number.

42982818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42982818 is a wasteful number, since it uses less digits than its factorization.

42982818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7163808.

The product of its digits is 73728, while the sum is 42.

The square root of 42982818 is about 6556.1282781837. The cubic root of 42982818 is about 350.2931367325.

The spelling of 42982818 in words is "forty-two million, nine hundred eighty-two thousand, eight hundred eighteen".