255550542742352 has 120 divisors (see below), whose sum is σ = 585058225484160. Its totient is φ = 107192489763840.

The previous prime is 255550542742291. The next prime is 255550542742379. The reversal of 255550542742352 is 253247245055552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100076924 + ... + 102598692.

It is an arithmetic number, because the mean of its divisors is an integer number (4875485212368).

Almost surely, 2^{255550542742352} is an apocalyptic number.

255550542742352 is a gapful number since it is divisible by the number (22) 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 255550542742352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292529112742080).

255550542742352 is an abundant number, since it is smaller than the sum of its proper divisors (329507682741808).

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

255550542742352 is a wasteful number, since it uses less digits than its factorization.

255550542742352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525221 (or 2525202 counting only the distinct ones).

The product of its (nonzero) digits is 84000000, while the sum is 56.

The spelling of 255550542742352 in words is "two hundred fifty-five trillion, five hundred fifty billion, five hundred forty-two million, seven hundred forty-two thousand, three hundred fifty-two".