255392169120 has 288 divisors, whose sum is σ = 960562774080. Its totient is φ = 61274603520.

The previous prime is 255392169101. The next prime is 255392169121. The reversal of 255392169120 is 21961293552.

255392169120 is a `hidden beast` number, since 2 + 5 + 539 + 2 + 1 + 6 + 91 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (255392169121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1453371 + ... + 1619589.

It is an arithmetic number, because the mean of its divisors is an integer number (3335287410).

Almost surely, 2^255392169120 is an apocalyptic number.

255392169120 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 255392169120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (480281387040).

255392169120 is an abundant number, since it is smaller than the sum of its proper divisors (705170604960).

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

255392169120 is a wasteful number, since it uses less digits than its factorization.

255392169120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166348 (or 166337 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The spelling of 255392169120 in words is "two hundred fifty-five billion, three hundred ninety-two million, one hundred sixty-nine thousand, one hundred twenty".