43655428056 has 64 divisors (see below), whose sum is σ = 110674022400. Its totient is φ = 14348492928.

The previous prime is 43655428049. The next prime is 43655428129. The reversal of 43655428056 is 65082455634.

It is a junction number, because it is equal to n+sod(n) for n = 43655427996 and 43655428014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452890 + ... + 540758.

It is an arithmetic number, because the mean of its divisors is an integer number (1729281600).

Almost surely, 2^43655428056 is an apocalyptic number.

It is an amenable number.

43655428056 is an abundant number, since it is smaller than the sum of its proper divisors (67018594344).

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

43655428056 is a wasteful number, since it uses less digits than its factorization.

43655428056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88168 (or 88164 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 48.

The spelling of 43655428056 in words is "forty-three billion, six hundred fifty-five million, four hundred twenty-eight thousand, fifty-six".