127998480 has 40 divisors (see below), whose sum is σ = 396796032. Its totient is φ = 34132864.

The previous prime is 127998469. The next prime is 127998499. The reversal of 127998480 is 84899721.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×127998480² = 32767221764620800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 266424 + ... + 266903.

Almost surely, 2^127998480 is an apocalyptic number.

127998480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127998480 is an abundant number, since it is smaller than the sum of its proper divisors (268797552).

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

127998480 is a wasteful number, since it uses less digits than its factorization.

127998480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533343 (or 533337 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 127998480 is about 11313.6413236411. The cubic root of 127998480 is about 503.9664250751.

The spelling of 127998480 in words is "one hundred twenty-seven million, nine hundred ninety-eight thousand, four hundred eighty".