29158905380 has 96 divisors (see below), whose sum is σ = 67823820288. Its totient is φ = 10441267200.

The previous prime is 29158905371. The next prime is 29158905383. The reversal of 29158905380 is 8350985192.

It is not an unprimeable number, because it can be changed into a prime (29158905383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14629664 + ... + 14631656.

It is an arithmetic number, because the mean of its divisors is an integer number (706498128).

Almost surely, 2^29158905380 is an apocalyptic number.

29158905380 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 29158905380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33911910144).

29158905380 is an abundant number, since it is smaller than the sum of its proper divisors (38664914908).

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

29158905380 is a wasteful number, since it uses less digits than its factorization.

29158905380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997 (or 2995 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 50.

The spelling of 29158905380 in words is "twenty-nine billion, one hundred fifty-eight million, nine hundred five thousand, three hundred eighty".