10818440 has 16 divisors (see below), whose sum is σ = 24341580. Its totient is φ = 4327360.

The previous prime is 10818433. The next prime is 10818461. The reversal of 10818440 is 4481801.

It can be written as a sum of positive squares in 2 ways, for example, as 9523396 + 1295044 = 3086^2 + 1138^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135191 + ... + 135270.

Almost surely, 2^10818440 is an apocalyptic number.

10818440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10818440 is an abundant number, since it is smaller than the sum of its proper divisors (13523140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10818440 is a wasteful number, since it uses less digits than its factorization.

10818440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270472 (or 270468 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 10818440 is about 3289.1397051509. The cubic root of 10818440 is about 221.1676212408.

The spelling of 10818440 in words is "ten million, eight hundred eighteen thousand, four hundred forty".