29018397872 has 40 divisors (see below), whose sum is σ = 57333181632. Its totient is φ = 14224795200.

The previous prime is 29018397871. The next prime is 29018397883. The reversal of 29018397872 is 27879381092.

It is not an unprimeable number, because it can be changed into a prime (29018397871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162047 + ... + 290337.

Almost surely, 2^29018397872 is an apocalyptic number.

It is an amenable number.

29018397872 is a deficient number, since it is larger than the sum of its proper divisors (28314783760).

29018397872 is a wasteful number, since it uses less digits than its factorization.

29018397872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128577 (or 128571 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 56.

The spelling of 29018397872 in words is "twenty-nine billion, eighteen million, three hundred ninety-seven thousand, eight hundred seventy-two".