10640267 has 4 divisors (see below), whose sum is σ = 11607576. Its totient is φ = 9672960.

The previous prime is 10640263. The next prime is 10640269. The reversal of 10640267 is 76204601.

10640267 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10640267 - 2² = 10640263 is a prime.

It is a super-2 number, since 2×10640267² = 226430563662578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10640263) 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, 483638 + ... + 483659.

It is an arithmetic number, because the mean of its divisors is an integer number (2901894).

Almost surely, 2^10640267 is an apocalyptic number.

10640267 is a deficient number, since it is larger than the sum of its proper divisors (967309).

10640267 is an equidigital number, since it uses as much as digits as its factorization.

10640267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967308.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 10640267 is about 3261.9422128542. The cubic root of 10640267 is about 219.9467295265.

Adding to 10640267 its reverse (76204601), we get a palindrome (86844868).

The spelling of 10640267 in words is "ten million, six hundred forty thousand, two hundred sixty-seven".