29640841530 has 16 divisors (see below), whose sum is σ = 71138019744. Its totient is φ = 7904224400.

The previous prime is 29640841519. The next prime is 29640841597. The reversal of 29640841530 is 3514804692.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494013996 + ... + 494014055.

It is an arithmetic number, because the mean of its divisors is an integer number (4446126234).

Almost surely, 2^29640841530 is an apocalyptic number.

29640841530 is an abundant number, since it is smaller than the sum of its proper divisors (41497178214).

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

29640841530 is a wasteful number, since it uses less digits than its factorization.

29640841530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988028061.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 29640841530 in words is "twenty-nine billion, six hundred forty million, eight hundred forty-one thousand, five hundred thirty".