10640636 has 12 divisors (see below), whose sum is σ = 18656400. Its totient is φ = 5310240.

The previous prime is 10640633. The next prime is 10640639. The reversal of 10640636 is 63604601.

It is an interprime number because it is at equal distance from previous prime (10640633) and next prime (10640639).

It is a super-2 number, since 2×10640636² = 226446268968992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10640633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176 + ... + 4616.

It is an arithmetic number, because the mean of its divisors is an integer number (1554700).

Almost surely, 2^10640636 is an apocalyptic number.

It is an amenable number.

10640636 is a deficient number, since it is larger than the sum of its proper divisors (8015764).

10640636 is a wasteful number, since it uses less digits than its factorization.

10640636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5044 (or 5042 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 10640636 is about 3261.9987737582. The cubic root of 10640636 is about 219.9492720505.

The spelling of 10640636 in words is "ten million, six hundred forty thousand, six hundred thirty-six".