29072029218 has 32 divisors (see below), whose sum is σ = 58292415936. Its totient is φ = 9665983488.

The previous prime is 29072029159. The next prime is 29072029237. The reversal of 29072029218 is 81292027092.

It is a self number, because there is not a number n which added to its sum of digits gives 29072029218.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4426405 + ... + 4432967.

It is an arithmetic number, because the mean of its divisors is an integer number (1821637998).

Almost surely, 2^29072029218 is an apocalyptic number.

29072029218 is an abundant number, since it is smaller than the sum of its proper divisors (29220386718).

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

29072029218 is a wasteful number, since it uses less digits than its factorization.

29072029218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8338.

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 29072029218 in words is "twenty-nine billion, seventy-two million, twenty-nine thousand, two hundred eighteen".