129898324080 has 320 divisors, whose sum is σ = 511695820800. Its totient is φ = 29670727680.

The previous prime is 129898324069. The next prime is 129898324123. The reversal of 129898324080 is 80423898921.

129898324080 is a `hidden beast` number, since 129 + 89 + 8 + 32 + 408 + 0 = 666.

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

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 40988736 + ... + 40991904.

It is an arithmetic number, because the mean of its divisors is an integer number (1599049440).

Almost surely, 2^129898324080 is an apocalyptic number.

129898324080 is a gapful number since it is divisible by the number (10) 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 129898324080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255847910400).

129898324080 is an abundant number, since it is smaller than the sum of its proper divisors (381797496720).

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

129898324080 is a wasteful number, since it uses less digits than its factorization.

129898324080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5909 (or 5897 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 129898324080 in words is "one hundred twenty-nine billion, eight hundred ninety-eight million, three hundred twenty-four thousand, eighty".