2043260756856 has 384 divisors, whose sum is σ = 6511528699200. Its totient is φ = 592654233600.

The previous prime is 2043260756851. The next prime is 2043260756857. The reversal of 2043260756856 is 6586570623402.

2043260756856 is a `hidden beast` number, since 2 + 0 + 4 + 3 + 26 + 0 + 7 + 568 + 56 = 666.

It is a super-3 number, since 3×2043260756856³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043260756851) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 56775540 + ... + 56811516.

Almost surely, 2^{2043260756856} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2043260756856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3255764349600).

2043260756856 is an abundant number, since it is smaller than the sum of its proper divisors (4468267942344).

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

2043260756856 is a wasteful number, since it uses less digits than its factorization.

2043260756856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36108 (or 36087 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 54.

The spelling of 2043260756856 in words is "two trillion, forty-three billion, two hundred sixty million, seven hundred fifty-six thousand, eight hundred fifty-six".