128448480 has 48 divisors (see below), whose sum is σ = 404614224. Its totient is φ = 34252800.

The previous prime is 128448461. The next prime is 128448499. The reversal of 128448480 is 84844821.

It is an interprime number because it is at equal distance from previous prime (128448461) and next prime (128448499).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133321 + ... + 134280.

It is an arithmetic number, because the mean of its divisors is an integer number (8429463).

Almost surely, 2^128448480 is an apocalyptic number.

128448480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128448480 is an abundant number, since it is smaller than the sum of its proper divisors (276165744).

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

128448480 is a wasteful number, since it uses less digits than its factorization.

128448480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267619 (or 267611 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 39.

The square root of 128448480 is about 11333.5113711506. The cubic root of 128448480 is about 504.5563269824.

The spelling of 128448480 in words is "one hundred twenty-eight million, four hundred forty-eight thousand, four hundred eighty".