42480818 has 16 divisors (see below), whose sum is σ = 65456160. Its totient is φ = 20666016.

The previous prime is 42480803. The next prime is 42480833. The reversal of 42480818 is 81808424.

It is an interprime number because it is at equal distance from previous prime (42480803) and next prime (42480833).

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25598 + ... + 27206.

It is an arithmetic number, because the mean of its divisors is an integer number (4091010).

Almost surely, 2^42480818 is an apocalyptic number.

42480818 is a deficient number, since it is larger than the sum of its proper divisors (22975342).

42480818 is a wasteful number, since it uses less digits than its factorization.

42480818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961.

The product of its (nonzero) digits is 16384, while the sum is 35.

The square root of 42480818 is about 6517.7310469212. The cubic root of 42480818 is about 348.9240919412.

The spelling of 42480818 in words is "forty-two million, four hundred eighty thousand, eight hundred eighteen".