43551068456 has 64 divisors (see below), whose sum is σ = 96446177280. Its totient is φ = 18041653440.

The previous prime is 43551068441. The next prime is 43551068459. The reversal of 43551068456 is 65486015534.

It is a self number, because there is not a number n which added to its sum of digits gives 43551068456.

It is not an unprimeable number, because it can be changed into a prime (43551068459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1525691 + ... + 1553973.

It is an arithmetic number, because the mean of its divisors is an integer number (1506971520).

Almost surely, 2^43551068456 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 43551068456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48223088640).

43551068456 is an abundant number, since it is smaller than the sum of its proper divisors (52895108824).

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

43551068456 is a wasteful number, since it uses less digits than its factorization.

43551068456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29214 (or 29210 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 47.

The spelling of 43551068456 in words is "forty-three billion, five hundred fifty-one million, sixty-eight thousand, four hundred fifty-six".