541856818 has 4 divisors (see below), whose sum is σ = 812785230. Its totient is φ = 270928408.

The previous prime is 541856797. The next prime is 541856863. The reversal of 541856818 is 818658145.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 316946809 + 224910009 = 17803^2 + 14997^2 .

It is a super-2 number, since 2×541856818² = 587217622426170248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135464203 + ... + 135464206.

Almost surely, 2^541856818 is an apocalyptic number.

541856818 is a deficient number, since it is larger than the sum of its proper divisors (270928412).

541856818 is a wasteful number, since it uses less digits than its factorization.

541856818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270928411.

The product of its digits is 307200, while the sum is 46.

The square root of 541856818 is about 23277.8181537703. The cubic root of 541856818 is about 815.2575837799.

The spelling of 541856818 in words is "five hundred forty-one million, eight hundred fifty-six thousand, eight hundred eighteen".