481868818 has 16 divisors (see below), whose sum is σ = 741404664. Its totient is φ = 234749440.

The previous prime is 481868809. The next prime is 481868851. The reversal of 481868818 is 818868184.

It can be written as a sum of positive squares in 4 ways, for example, as 248787529 + 233081289 = 15773^2 + 15267^2 .

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, 66846 + ... + 73702.

Almost surely, 2^481868818 is an apocalyptic number.

481868818 is a deficient number, since it is larger than the sum of its proper divisors (259535846).

481868818 is a wasteful number, since it uses less digits than its factorization.

481868818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7757.

The product of its digits is 786432, while the sum is 52.

The square root of 481868818 is about 21951.5106086119. The cubic root of 481868818 is about 783.9883477808.

The spelling of 481868818 in words is "four hundred eighty-one million, eight hundred sixty-eight thousand, eight hundred eighteen".