10640236 has 12 divisors (see below), whose sum is σ = 19016928. Its totient is φ = 5206832.

The previous prime is 10640233. The next prime is 10640251. The reversal of 10640236 is 63204601.

10640236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10640236² = 226429244271392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10640233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28111 + ... + 28486.

It is an arithmetic number, because the mean of its divisors is an integer number (1584744).

Almost surely, 2^10640236 is an apocalyptic number.

It is an amenable number.

10640236 is a deficient number, since it is larger than the sum of its proper divisors (8376692).

10640236 is a wasteful number, since it uses less digits than its factorization.

10640236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56648 (or 56646 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 10640236 is about 3261.9374610805. The cubic root of 10640236 is about 219.9465159242.

Adding to 10640236 its reverse (63204601), we get a palindrome (73844837).

The spelling of 10640236 in words is "ten million, six hundred forty thousand, two hundred thirty-six".