10800040 has 16 divisors (see below), whose sum is σ = 24300180. Its totient is φ = 4320000.

The previous prime is 10800017. The next prime is 10800071. The reversal of 10800040 is 4000801.

10800040 = 81² + 82² + ... + 320².

It can be written as a sum of positive squares in 2 ways, for example, as 10745284 + 54756 = 3278^2 + 234^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134961 + ... + 135040.

Almost surely, 2^10800040 is an apocalyptic number.

10800040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10800040 is an abundant number, since it is smaller than the sum of its proper divisors (13500140).

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

10800040 is a wasteful number, since it uses less digits than its factorization.

10800040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270012 (or 270008 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 10800040 is about 3286.3414308316. The cubic root of 10800040 is about 221.0421628093.

Adding to 10800040 its reverse (4000801), we get a palindrome (14800841).

The spelling of 10800040 in words is "ten million, eight hundred thousand, forty".