10640015272 has 16 divisors (see below), whose sum is σ = 19951131060. Its totient is φ = 5319713664.

The previous prime is 10640015203. The next prime is 10640015273. The reversal of 10640015272 is 27251004601.

It can be written as a sum of positive squares in 2 ways, for example, as 10155399076 + 484616196 = 100774^2 + 22014^2 .

It is a super-2 number, since 2×10640015272² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10640015272.

It is not an unprimeable number, because it can be changed into a prime (10640015273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237268 + ... + 278524.

Almost surely, 2^10640015272 is an apocalyptic number.

It is an amenable number.

10640015272 is a deficient number, since it is larger than the sum of its proper divisors (9311115788).

10640015272 is a wasteful number, since it uses less digits than its factorization.

10640015272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73500 (or 73496 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 10640015272 its reverse (27251004601), we get a palindrome (37891019873).

The spelling of 10640015272 in words is "ten billion, six hundred forty million, fifteen thousand, two hundred seventy-two".