485157218 has 64 divisors (see below), whose sum is σ = 936714240. Its totient is φ = 183339072.

The previous prime is 485157173. The next prime is 485157247. The reversal of 485157218 is 812751584.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367163 + ... + 368481.

It is an arithmetic number, because the mean of its divisors is an integer number (14636160).

Almost surely, 2^485157218 is an apocalyptic number.

485157218 is a deficient number, since it is larger than the sum of its proper divisors (451557022).

485157218 is a wasteful number, since it uses less digits than its factorization.

485157218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431.

The product of its digits is 89600, while the sum is 41.

The square root of 485157218 is about 22026.2847071402. The cubic root of 485157218 is about 785.7676874747.

The spelling of 485157218 in words is "four hundred eighty-five million, one hundred fifty-seven thousand, two hundred eighteen".