10668240436 has 12 divisors (see below), whose sum is σ = 21336480928. Its totient is φ = 4572103032.

The previous prime is 10668240431. The next prime is 10668240437. The reversal of 10668240436 is 63404286601.

10668240436 is an admirable number.

It is a super-2 number, since 2×10668240436² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10668240431) 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, 190504266 + ... + 190504321.

Almost surely, 2^10668240436 is an apocalyptic number.

It is an amenable number.

10668240436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10668240436 is a wasteful number, since it uses less digits than its factorization.

10668240436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381008598 (or 381008596 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 10668240436 in words is "ten billion, six hundred sixty-eight million, two hundred forty thousand, four hundred thirty-six".