43328840994 has 12 divisors (see below), whose sum is σ = 93879155526. Its totient is φ = 14442946992.

The previous prime is 43328840993. The next prime is 43328840999. The reversal of 43328840994 is 49904882334.

43328840994 is a `hidden beast` number, since 43 + 32 + 88 + 409 + 94 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29554767225 + 13774073769 = 171915^2 + 117363^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43328840994.

It is not an unprimeable number, because it can be changed into a prime (43328840993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1203578899 + ... + 1203578934.

Almost surely, 2^43328840994 is an apocalyptic number.

43328840994 is an abundant number, since it is smaller than the sum of its proper divisors (50550314532).

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

43328840994 is a wasteful number, since it uses less digits than its factorization.

43328840994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407157841 (or 2407157838 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 43328840994 in words is "forty-three billion, three hundred twenty-eight million, eight hundred forty thousand, nine hundred ninety-four".