485387280 has 240 divisors, whose sum is σ = 1876368000. Its totient is φ = 110149632.

The previous prime is 485387267. The next prime is 485387291. The reversal of 485387280 is 82783584.

485387280 is a `hidden beast` number, since 48 + 538 + 72 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 972471 + ... + 972969.

It is an arithmetic number, because the mean of its divisors is an integer number (7818200).

Almost surely, 2^485387280 is an apocalyptic number.

485387280 is a gapful number since it is divisible by the number (40) 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 485387280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (938184000).

485387280 is an abundant number, since it is smaller than the sum of its proper divisors (1390980720).

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

485387280 is a wasteful number, since it uses less digits than its factorization.

485387280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 485387280 is about 22031.5065304214. The cubic root of 485387280 is about 785.8918717679.

The spelling of 485387280 in words is "four hundred eighty-five million, three hundred eighty-seven thousand, two hundred eighty".