129441084480 has 336 divisors, whose sum is σ = 488877742080. Its totient is φ = 32486842368.

The previous prime is 129441084467. The next prime is 129441084481. The reversal of 129441084480 is 84480144921.

129441084480 is a `hidden beast` number, since 1 + 2 + 94 + 4 + 1 + 0 + 84 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (129441084481) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1272961 + ... + 1370879.

It is an arithmetic number, because the mean of its divisors is an integer number (1454993280).

Almost surely, 2^129441084480 is an apocalyptic number.

129441084480 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 129441084480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244438871040).

129441084480 is an abundant number, since it is smaller than the sum of its proper divisors (359436657600).

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

129441084480 is an equidigital number, since it uses as much as digits as its factorization.

129441084480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97968 (or 97946 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The spelling of 129441084480 in words is "one hundred twenty-nine billion, four hundred forty-one million, eighty-four thousand, four hundred eighty".