42729607208 has 16 divisors (see below), whose sum is σ = 80129578560. Its totient is φ = 21361719600.

The previous prime is 42729607201. The next prime is 42729607247. The reversal of 42729607208 is 80270692724.

It is not an unprimeable number, because it can be changed into a prime (42729607201) 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, 326078 + ... + 437933.

It is an arithmetic number, because the mean of its divisors is an integer number (5008098660).

Almost surely, 2^42729607208 is an apocalyptic number.

It is an amenable number.

42729607208 is a deficient number, since it is larger than the sum of its proper divisors (37399971352).

42729607208 is a wasteful number, since it uses less digits than its factorization.

42729607208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771008 (or 771004 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 42729607208 in words is "forty-two billion, seven hundred twenty-nine million, six hundred seven thousand, two hundred eight".