255342272079240 has 512 divisors, whose sum is σ = 907918792704000. Its totient is φ = 63608925155328.

The previous prime is 255342272079229. The next prime is 255342272079253. The reversal of 255342272079240 is 42970272243552.

255342272079240 is a `hidden beast` number, since 2 + 5 + 5 + 3 + 422 + 7 + 207 + 9 + 2 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12727013449 + ... + 12727033511.

It is an arithmetic number, because the mean of its divisors is an integer number (1773278892000).

Almost surely, 2^{255342272079240} is an apocalyptic number.

255342272079240 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 255342272079240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453959396352000).

255342272079240 is an abundant number, since it is smaller than the sum of its proper divisors (652576520624760).

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

255342272079240 is a wasteful number, since it uses less digits than its factorization.

255342272079240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25226 (or 25216 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 54.

The spelling of 255342272079240 in words is "two hundred fifty-five trillion, three hundred forty-two billion, two hundred seventy-two million, seventy-nine thousand, two hundred forty".