3810868026856 has 32 divisors (see below), whose sum is σ = 7813043153280. Its totient is φ = 1728193667200.

The previous prime is 3810868026851. The next prime is 3810868026877. The reversal of 3810868026856 is 6586208680183.

It is a super-2 number, since 2×3810868026856² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3810868026794 and 3810868026803.

It is not an unprimeable number, because it can be changed into a prime (3810868026851) 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, 50200261 + ... + 50276116.

It is an arithmetic number, because the mean of its divisors is an integer number (244157598540).

Almost surely, 2^{3810868026856} is an apocalyptic number.

It is an amenable number.

3810868026856 is an abundant number, since it is smaller than the sum of its proper divisors (4002175126424).

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

3810868026856 is a wasteful number, since it uses less digits than its factorization.

3810868026856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100476825 (or 100476821 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 61.

The spelling of 3810868026856 in words is "three trillion, eight hundred ten billion, eight hundred sixty-eight million, twenty-six thousand, eight hundred fifty-six".