10660240 has 20 divisors (see below), whose sum is σ = 24785244. Its totient is φ = 4264064.

The previous prime is 10660229. The next prime is 10660267. The reversal of 10660240 is 4206601.

It can be written as a sum of positive squares in 2 ways, for example, as 7333264 + 3326976 = 2708^2 + 1824^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×10660240² = 227281433715200, which contains 22 as substring.

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, 66547 + ... + 66706.

Almost surely, 2^10660240 is an apocalyptic number.

10660240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10660240 is an abundant number, since it is smaller than the sum of its proper divisors (14125004).

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

10660240 is a wasteful number, since it uses less digits than its factorization.

10660240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133266 (or 133260 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 10660240 is about 3265.0022970895. The cubic root of 10660240 is about 220.0842652409.

Adding to 10660240 its reverse (4206601), we get a palindrome (14866841).

The spelling of 10660240 in words is "ten million, six hundred sixty thousand, two hundred forty".