128016480 has 48 divisors (see below), whose sum is σ = 403253424. Its totient is φ = 34137600.

The previous prime is 128016439. The next prime is 128016503. The reversal of 128016480 is 84610821.

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

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 132871 + ... + 133830.

It is an arithmetic number, because the mean of its divisors is an integer number (8401113).

Almost surely, 2^128016480 is an apocalyptic number.

128016480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128016480 is an abundant number, since it is smaller than the sum of its proper divisors (275236944).

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

128016480 is a wasteful number, since it uses less digits than its factorization.

128016480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266719 (or 266711 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 128016480 is about 11314.4367955281. The cubic root of 128016480 is about 503.9900476745.

The spelling of 128016480 in words is "one hundred twenty-eight million, sixteen thousand, four hundred eighty".