485309285136 has 560 divisors, whose sum is σ = 1635296584320. Its totient is φ = 138116689920.

The previous prime is 485309285129. The next prime is 485309285177. The reversal of 485309285136 is 631582903584.

485309285136 is a `hidden beast` number, since 4 + 8 + 5 + 30 + 92 + 8 + 513 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 152085301 + ... + 152088491.

It is an arithmetic number, because the mean of its divisors is an integer number (2920172472).

Almost surely, 2^485309285136 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 485309285136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (817648292160).

485309285136 is an abundant number, since it is smaller than the sum of its proper divisors (1149987299184).

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

485309285136 is a wasteful number, since it uses less digits than its factorization.

485309285136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306 (or 3285 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 485309285136 in words is "four hundred eighty-five billion, three hundred nine million, two hundred eighty-five thousand, one hundred thirty-six".