129849180480 has 168 divisors, whose sum is σ = 448482698664. Its totient is φ = 34482585600.

The previous prime is 129849180473. The next prime is 129849180491. The reversal of 129849180480 is 84081948921.

It is a happy number.

129849180480 is a `hidden beast` number, since 1 + 2 + 9 + 84 + 9 + 1 + 80 + 480 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1524746304 + 128324434176 = 39048^2 + 358224^2 .

It is a super-2 number, since 2×129849180480² (a number of 23 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 600540 + ... + 787620.

It is an arithmetic number, because the mean of its divisors is an integer number (2669539873).

Almost surely, 2^129849180480 is an apocalyptic number.

129849180480 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 129849180480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224241349332).

129849180480 is an abundant number, since it is smaller than the sum of its proper divisors (318633518184).

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

129849180480 is a wasteful number, since it uses less digits than its factorization.

129849180480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187345 (or 187332 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 54.

The spelling of 129849180480 in words is "one hundred twenty-nine billion, eight hundred forty-nine million, one hundred eighty thousand, four hundred eighty".