485636580 has 384 divisors, whose sum is σ = 1874073600. Its totient is φ = 102643200.

The previous prime is 485636549. The next prime is 485636587. The reversal of 485636580 is 85636584.

485636580 is a `hidden beast` number, since 4 + 8 + 5 + 63 + 6 + 580 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (485636587) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1467015 + ... + 1467345.

It is an arithmetic number, because the mean of its divisors is an integer number (4880400).

Almost surely, 2^485636580 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 485636580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (937036800).

485636580 is an abundant number, since it is smaller than the sum of its proper divisors (1388437020).

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

485636580 is a wasteful number, since it uses less digits than its factorization.

485636580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 485636580 is about 22037.1636105920. The cubic root of 485636580 is about 786.0263961766.

The spelling of 485636580 in words is "four hundred eighty-five million, six hundred thirty-six thousand, five hundred eighty".