129332444480 has 56 divisors (see below), whose sum is σ = 321363027072. Its totient is φ = 49483715072.

The previous prime is 129332444473. The next prime is 129332444513. The reversal of 129332444480 is 84444233921.

It is a happy number.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 8778812 + ... + 8793531.

Almost surely, 2^129332444480 is an apocalyptic number.

129332444480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129332444480 is an abundant number, since it is smaller than the sum of its proper divisors (192030582592).

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

129332444480 is a wasteful number, since it uses less digits than its factorization.

129332444480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17572383 (or 17572373 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 129332444480 in words is "one hundred twenty-nine billion, three hundred thirty-two million, four hundred forty-four thousand, four hundred eighty".