485139456 has 110 divisors (see below), whose sum is σ = 1448968950. Its totient is φ = 161685504.

The previous prime is 485139451. The next prime is 485139467. The reversal of 485139456 is 654931584.

485139456 is a `hidden beast` number, since 48 + 513 + 94 + 5 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 383533056 + 101606400 = 19584^2 + 10080^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485139451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 80020 + ... + 85868.

It is an arithmetic number, because the mean of its divisors is an integer number (13172445).

Almost surely, 2^485139456 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 485139456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (724484475).

485139456 is an abundant number, since it is smaller than the sum of its proper divisors (963829494).

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

485139456 is an equidigital number, since it uses as much as digits as its factorization.

485139456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5881 (or 5854 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 485139456 is about 22025.8815033587. The cubic root of 485139456 is about 785.7580981598.

The spelling of 485139456 in words is "four hundred eighty-five million, one hundred thirty-nine thousand, four hundred fifty-six".