43670780268 has 12 divisors (see below), whose sum is σ = 101898487320. Its totient is φ = 14556926752.

The previous prime is 43670780189. The next prime is 43670780269. The reversal of 43670780268 is 86208707634.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 43670780268.

It is not an unprimeable number, because it can be changed into a prime (43670780269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1819615833 + ... + 1819615856.

It is an arithmetic number, because the mean of its divisors is an integer number (8491540610).

Almost surely, 2^43670780268 is an apocalyptic number.

It is an amenable number.

43670780268 is an abundant number, since it is smaller than the sum of its proper divisors (58227707052).

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

43670780268 is a wasteful number, since it uses less digits than its factorization.

43670780268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3639231696 (or 3639231694 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 43670780268 in words is "forty-three billion, six hundred seventy million, seven hundred eighty thousand, two hundred sixty-eight".