43480139812 has 12 divisors (see below), whose sum is σ = 76557057136. Its totient is φ = 21606694920.

The previous prime is 43480139789. The next prime is 43480139819. The reversal of 43480139812 is 21893108434.

It is not an unprimeable number, because it can be changed into a prime (43480139819) 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, 33343014 + ... + 33344317.

Almost surely, 2^43480139812 is an apocalyptic number.

It is an amenable number.

43480139812 is a deficient number, since it is larger than the sum of its proper divisors (33076917324).

43480139812 is a wasteful number, since it uses less digits than its factorization.

43480139812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66687498 (or 66687496 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 43480139812 in words is "forty-three billion, four hundred eighty million, one hundred thirty-nine thousand, eight hundred twelve".