485089755840 has 1344 divisors, whose sum is σ = 1922645237760. Its totient is φ = 111600599040.

The previous prime is 485089755797. The next prime is 485089755851. The reversal of 485089755840 is 48557980584.

485089755840 is a `hidden beast` number, since 4 + 8 + 508 + 9 + 75 + 58 + 4 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4533549067 + ... + 4533549173.

Almost surely, 2^485089755840 is an apocalyptic number.

485089755840 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 485089755840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (961322618880).

485089755840 is an abundant number, since it is smaller than the sum of its proper divisors (1437555481920).

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

485089755840 is a wasteful number, since it uses less digits than its factorization.

485089755840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 64512000, while the sum is 63.

The spelling of 485089755840 in words is "four hundred eighty-five billion, eighty-nine million, seven hundred fifty-five thousand, eight hundred forty".