255341226420 has 288 divisors, whose sum is σ = 918653718528. Its totient is φ = 58320093312.

The previous prime is 255341226407. The next prime is 255341226449. The reversal of 255341226420 is 24622143552.

255341226420 is a `hidden beast` number, since 2 + 5 + 5 + 3 + 4 + 1 + 2 + 2 + 642 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 74944357 + ... + 74947763.

It is an arithmetic number, because the mean of its divisors is an integer number (3189769856).

Almost surely, 2^255341226420 is an apocalyptic number.

255341226420 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 255341226420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459326859264).

255341226420 is an abundant number, since it is smaller than the sum of its proper divisors (663312492108).

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

255341226420 is a wasteful number, since it uses less digits than its factorization.

255341226420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5641 (or 5627 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 255341226420 its reverse (24622143552), we get a palindrome (279963369972).

The spelling of 255341226420 in words is "two hundred fifty-five billion, three hundred forty-one million, two hundred twenty-six thousand, four hundred twenty".