29899849120 has 192 divisors, whose sum is σ = 76540101120. Its totient is φ = 11003711488.

The previous prime is 29899849087. The next prime is 29899849127. The reversal of 29899849120 is 2194899892.

It is not an unprimeable number, because it can be changed into a prime (29899849127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53679882 + ... + 53680438.

It is an arithmetic number, because the mean of its divisors is an integer number (398646360).

Almost surely, 2^29899849120 is an apocalyptic number.

29899849120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29899849120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38270050560).

29899849120 is an abundant number, since it is smaller than the sum of its proper divisors (46640252000).

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

29899849120 is a wasteful number, since it uses less digits than its factorization.

29899849120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127 (or 1119 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 61.

The spelling of 29899849120 in words is "twenty-nine billion, eight hundred ninety-nine million, eight hundred forty-nine thousand, one hundred twenty".