10640426236 has 48 divisors (see below), whose sum is σ = 21036653568. Its totient is φ = 4665398400.

The previous prime is 10640426197. The next prime is 10640426257. The reversal of 10640426236 is 63262404601.

It is a super-2 number, since 2×10640426236² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414471 + ... + 439393.

It is an arithmetic number, because the mean of its divisors is an integer number (438263616).

Almost surely, 2^10640426236 is an apocalyptic number.

It is an amenable number.

10640426236 is a deficient number, since it is larger than the sum of its proper divisors (10396227332).

10640426236 is a wasteful number, since it uses less digits than its factorization.

10640426236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25282 (or 25280 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 10640426236 in words is "ten billion, six hundred forty million, four hundred twenty-six thousand, two hundred thirty-six".