43678220552 has 16 divisors (see below), whose sum is σ = 81902564160. Its totient is φ = 21837536784.

The previous prime is 43678220507. The next prime is 43678220563. The reversal of 43678220552 is 25502287634.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74228 + ... + 304739.

It is an arithmetic number, because the mean of its divisors is an integer number (5118910260).

Almost surely, 2^43678220552 is an apocalyptic number.

It is an amenable number.

43678220552 is a deficient number, since it is larger than the sum of its proper divisors (38224343608).

43678220552 is a wasteful number, since it uses less digits than its factorization.

43678220552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393380 (or 393376 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 43678220552 in words is "forty-three billion, six hundred seventy-eight million, two hundred twenty thousand, five hundred fifty-two".