29982790656000 has 3584 divisors, whose sum is σ = 144679054141440. Its totient is φ = 5945425920000.

The previous prime is 29982790655981. The next prime is 29982790656001. The reversal of 29982790656000 is 65609728992.

It is a tau number, because it is divible by the number of its divisors (3584).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (29982790656001) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 42771455650 + ... + 42771456350.

It is an arithmetic number, because the mean of its divisors is an integer number (40368039660).

Almost surely, 2^{29982790656000} is an apocalyptic number.

29982790656000 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 29982790656000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72339527070720).

29982790656000 is an abundant number, since it is smaller than the sum of its proper divisors (114696263485440).

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

29982790656000 is a wasteful number, since it uses less digits than its factorization.

29982790656000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 63.

The spelling of 29982790656000 in words is "twenty-nine trillion, nine hundred eighty-two billion, seven hundred ninety million, six hundred fifty-six thousand".