43421745700 has 18 divisors (see below), whose sum is σ = 94225188386. Its totient is φ = 17368698240.

The previous prime is 43421745637. The next prime is 43421745707. The reversal of 43421745700 is 754712434.

It can be written as a sum of positive squares in 3 ways, for example, as 11383609636 + 32038136064 = 106694^2 + 178992^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43421745700.

It is not an unprimeable number, because it can be changed into a prime (43421745707) 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, 217108629 + ... + 217108828.

Almost surely, 2^43421745700 is an apocalyptic number.

It is an amenable number.

43421745700 is an abundant number, since it is smaller than the sum of its proper divisors (50803442686).

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

43421745700 is a wasteful number, since it uses less digits than its factorization.

43421745700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434217471 (or 434217464 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 37.

The spelling of 43421745700 in words is "forty-three billion, four hundred twenty-one million, seven hundred forty-five thousand, seven hundred".