255054400000 has 240 divisors, whose sum is σ = 674513437752. Its totient is φ = 96010240000.

The previous prime is 255054399869. The next prime is 255054400001. The reversal of 255054400000 is 4450552.

It can be written as a sum of positive squares in 12 ways, for example, as 137279142144 + 117775257856 = 370512^2 + 343184^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (255054400001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27195312 + ... + 27204688.

Almost surely, 2^255054400000 is an apocalyptic number.

255054400000 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 255054400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337256718876).

255054400000 is an abundant number, since it is smaller than the sum of its proper divisors (419459037752).

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

255054400000 is an frugal number, since it uses more digits than its factorization.

255054400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9437 (or 9401 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

Adding to 255054400000 its reverse (4450552), we get a palindrome (255058850552).

The spelling of 255054400000 in words is "two hundred fifty-five billion, fifty-four million, four hundred thousand".