10240726826 has 12 divisors (see below), whose sum is σ = 16884504546. Its totient is φ = 4654875720.

The previous prime is 10240726757. The next prime is 10240726831. The reversal of 10240726826 is 62862704201.

It can be written as a sum of positive squares in only one way, i.e., 8165833225 + 2074893601 = 90365^2 + 45551^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10240726826.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21158285 + ... + 21158768.

Almost surely, 2^10240726826 is an apocalyptic number.

10240726826 is a deficient number, since it is larger than the sum of its proper divisors (6643777720).

10240726826 is a wasteful number, since it uses less digits than its factorization.

10240726826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42317077 (or 42317066 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 10240726826 in words is "ten billion, two hundred forty million, seven hundred twenty-six thousand, eight hundred twenty-six".