29816331380 has 24 divisors (see below), whose sum is σ = 68306505120. Its totient is φ = 10842302240.

The previous prime is 29816331367. The next prime is 29816331383. The reversal of 29816331380 is 8313361892.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29816331383) 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 7 ways as a sum of consecutive naturals, for example, 67764170 + ... + 67764609.

It is an arithmetic number, because the mean of its divisors is an integer number (2846104380).

Almost surely, 2^29816331380 is an apocalyptic number.

29816331380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29816331380 is an abundant number, since it is smaller than the sum of its proper divisors (38490173740).

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

29816331380 is a wasteful number, since it uses less digits than its factorization.

29816331380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135528799 (or 135528797 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 29816331380 in words is "twenty-nine billion, eight hundred sixteen million, three hundred thirty-one thousand, three hundred eighty".