43442240256 has 108 divisors (see below), whose sum is σ = 125323117920. Its totient is φ = 14472837120.

The previous prime is 43442240203. The next prime is 43442240287. The reversal of 43442240256 is 65204224434.

43442240256 is a `hidden beast` number, since 4 + 344 + 22 + 40 + 256 = 666.

43442240256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 43442240256.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5481865 + ... + 5489783.

It is an arithmetic number, because the mean of its divisors is an integer number (1160399240).

Almost surely, 2^43442240256 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 43442240256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62661558960).

43442240256 is an abundant number, since it is smaller than the sum of its proper divisors (81880877664).

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

43442240256 is a wasteful number, since it uses less digits than its factorization.

43442240256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10322 (or 10305 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

The spelling of 43442240256 in words is "forty-three billion, four hundred forty-two million, two hundred forty thousand, two hundred fifty-six".