29954848247980 has 192 divisors, whose sum is σ = 72006437099520. Its totient is φ = 10396599091200.

The previous prime is 29954848247957. The next prime is 29954848248079. The reversal of 29954848247980 is 8974284845992.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 29954848247980.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 75079420 + ... + 75477340.

It is an arithmetic number, because the mean of its divisors is an integer number (375033526560).

Almost surely, 2^{29954848247980} is an apocalyptic number.

29954848247980 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 29954848247980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36003218549760).

29954848247980 is an abundant number, since it is smaller than the sum of its proper divisors (42051588851540).

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

29954848247980 is a wasteful number, since it uses less digits than its factorization.

29954848247980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398280 (or 398278 counting only the distinct ones).

The product of its (nonzero) digits is 3344302080, while the sum is 79.

The spelling of 29954848247980 in words is "twenty-nine trillion, nine hundred fifty-four billion, eight hundred forty-eight million, two hundred forty-seven thousand, nine hundred eighty".