129604480 has 64 divisors (see below), whose sum is σ = 320565600. Its totient is φ = 50046976.

The previous prime is 129604463. The next prime is 129604483. The reversal of 129604480 is 84406921.

129604480 = T₂₈₉ + T₂₉₀ + ... + T₉₂₈.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129604483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15069 + ... + 22051.

Almost surely, 2^129604480 is an apocalyptic number.

129604480 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 129604480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160282800).

129604480 is an abundant number, since it is smaller than the sum of its proper divisors (190961120).

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

129604480 is an equidigital number, since it uses as much as digits as its factorization.

129604480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7031 (or 7019 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 129604480 is about 11384.3963388491. The cubic root of 129604480 is about 506.0654302533.

It can be divided in two parts, 1 and 29604480, that added together give a square (29604481 = 5441²).

The spelling of 129604480 in words is "one hundred twenty-nine million, six hundred four thousand, four hundred eighty".