489701280 has 96 divisors (see below), whose sum is σ = 1609663104. Its totient is φ = 124906496.

The previous prime is 489701273. The next prime is 489701293. The reversal of 489701280 is 82107984.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11139 + ... + 33218.

It is an arithmetic number, because the mean of its divisors is an integer number (16767324).

Almost surely, 2^489701280 is an apocalyptic number.

489701280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

489701280 is an abundant number, since it is smaller than the sum of its proper divisors (1119961824).

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

489701280 is a wasteful number, since it uses less digits than its factorization.

489701280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44398 (or 44390 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 489701280 is about 22129.1951954878. The cubic root of 489701280 is about 788.2132776644.

The spelling of 489701280 in words is "four hundred eighty-nine million, seven hundred one thousand, two hundred eighty".