10640276 has 6 divisors (see below), whose sum is σ = 18620490. Its totient is φ = 5320136.

The previous prime is 10640269. The next prime is 10640281. The reversal of 10640276 is 67204601.

It can be written as a sum of positive squares in only one way, i.e., 8844676 + 1795600 = 2974^2 + 1340^2 .

It is a super-2 number, since 2×10640276² = 226430946712352, which contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1330031 + ... + 1330038.

It is an arithmetic number, because the mean of its divisors is an integer number (3103415).

Almost surely, 2^10640276 is an apocalyptic number.

It is an amenable number.

10640276 is a deficient number, since it is larger than the sum of its proper divisors (7980214).

10640276 is a wasteful number, since it uses less digits than its factorization.

10640276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660073 (or 2660071 counting only the distinct ones).

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

The square root of 10640276 is about 3261.9435924001. The cubic root of 10640276 is about 219.9467915399.

Adding to 10640276 its reverse (67204601), we get a palindrome (77844877).

The spelling of 10640276 in words is "ten million, six hundred forty thousand, two hundred seventy-six".