29844291834 has 128 divisors (see below), whose sum is σ = 78831820800. Its totient is φ = 8191160640.

The previous prime is 29844291833. The next prime is 29844291859. The reversal of 29844291834 is 43819244892.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (29844291833) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1091389 + ... + 1118399.

It is an arithmetic number, because the mean of its divisors is an integer number (615873600).

Almost surely, 2^29844291834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29844291834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39415910400).

29844291834 is an abundant number, since it is smaller than the sum of its proper divisors (48987528966).

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

29844291834 is a wasteful number, since it uses less digits than its factorization.

29844291834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27145 (or 27139 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The spelling of 29844291834 in words is "twenty-nine billion, eight hundred forty-four million, two hundred ninety-one thousand, eight hundred thirty-four".