29880793650 has 96 divisors (see below), whose sum is σ = 78164640000. Its totient is φ = 7533345600.

The previous prime is 29880793633. The next prime is 29880793753. The reversal of 29880793650 is 5639708892.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1411645 + ... + 1432655.

It is an arithmetic number, because the mean of its divisors is an integer number (814215000).

Almost surely, 2^29880793650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29880793650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39082320000).

29880793650 is an abundant number, since it is smaller than the sum of its proper divisors (48283846350).

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

29880793650 is a wasteful number, since it uses less digits than its factorization.

29880793650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21544 (or 21539 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 29880793650 in words is "twenty-nine billion, eight hundred eighty million, seven hundred ninety-three thousand, six hundred fifty".