29940588906 has 32 divisors (see below), whose sum is σ = 61373567808. Its totient is φ = 9731717760.

The previous prime is 29940588901. The next prime is 29940588913. The reversal of 29940588906 is 60988504992.

It is a self number, because there is not a number n which added to its sum of digits gives 29940588906.

It is not an unprimeable number, because it can be changed into a prime (29940588901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458176 + ... + 519428.

It is an arithmetic number, because the mean of its divisors is an integer number (1917923994).

Almost surely, 2^29940588906 is an apocalyptic number.

29940588906 is an abundant number, since it is smaller than the sum of its proper divisors (31432978902).

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

29940588906 is a wasteful number, since it uses less digits than its factorization.

29940588906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63286.

The product of its (nonzero) digits is 11197440, while the sum is 60.

The spelling of 29940588906 in words is "twenty-nine billion, nine hundred forty million, five hundred eighty-eight thousand, nine hundred six".