42686848 has 16 divisors (see below), whose sum is σ = 85040460. Its totient is φ = 21343360.

The previous prime is 42686843. The next prime is 42686849. The reversal of 42686848 is 84868624.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-3 number, since 3×42686848³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42686798 and 42686807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42686843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166618 + ... + 166873.

Almost surely, 2^42686848 is an apocalyptic number.

It is an amenable number.

42686848 is a deficient number, since it is larger than the sum of its proper divisors (42353612).

42686848 is an equidigital number, since it uses as much as digits as its factorization.

42686848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333505 (or 333493 counting only the distinct ones).

The product of its digits is 589824, while the sum is 46.

The square root of 42686848 is about 6533.5172763221. The cubic root of 42686848 is about 349.4872710183.

It can be divided in two parts, 42686 and 848, that added together give a palindrome (43534).

The spelling of 42686848 in words is "forty-two million, six hundred eighty-six thousand, eight hundred forty-eight".