10640262768 has 40 divisors (see below), whose sum is σ = 27528031248. Its totient is φ = 3541504512.

The previous prime is 10640262761. The next prime is 10640262769. The reversal of 10640262768 is 86726204601.

It is a super-2 number, since 2×10640262768² (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 (10640262761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131221 + ... + 196212.

Almost surely, 2^10640262768 is an apocalyptic number.

It is an amenable number.

10640262768 is an abundant number, since it is smaller than the sum of its proper divisors (16887768480).

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

10640262768 is a wasteful number, since it uses less digits than its factorization.

10640262768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328121 (or 328115 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 10640262768 in words is "ten billion, six hundred forty million, two hundred sixty-two thousand, seven hundred sixty-eight".