43791876648 has 384 divisors, whose sum is σ = 143221478400. Its totient is φ = 11954331648.

The previous prime is 43791876643. The next prime is 43791876649. The reversal of 43791876648 is 84667819734.

43791876648 is a `hidden beast` number, since 437 + 91 + 8 + 76 + 6 + 48 = 666.

It is not an unprimeable number, because it can be changed into a prime (43791876643) 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, 19841161 + ... + 19843367.

It is an arithmetic number, because the mean of its divisors is an integer number (372972600).

Almost surely, 2^43791876648 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 43791876648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71610739200).

43791876648 is an abundant number, since it is smaller than the sum of its proper divisors (99429601752).

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

43791876648 is a wasteful number, since it uses less digits than its factorization.

43791876648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321 (or 2314 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 63.

The spelling of 43791876648 in words is "forty-three billion, seven hundred ninety-one million, eight hundred seventy-six thousand, six hundred forty-eight".