255335040000 has 660 divisors, whose sum is σ = 932832744844. Its totient is φ = 67239936000.

The previous prime is 255335039987. The next prime is 255335040083. The reversal of 255335040000 is 40533552.

255335040000 is a `hidden beast` number, since 255 + 3 + 3 + 5 + 0 + 400 + 0 + 0 = 666.

It can be written as a sum of positive squares in 10 ways, for example, as 154241565696 + 101093474304 = 392736^2 + 317952^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 558719772 + ... + 558720228.

Almost surely, 2^255335040000 is an apocalyptic number.

255335040000 is a gapful number since it is divisible by the number (20) 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 255335040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466416372422).

255335040000 is an abundant number, since it is smaller than the sum of its proper divisors (677497704844).

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

255335040000 is an equidigital number, since it uses as much as digits as its factorization.

255335040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

Adding to 255335040000 its reverse (40533552), we get a palindrome (255375573552).

The spelling of 255335040000 in words is "two hundred fifty-five billion, three hundred thirty-five million, forty thousand".