255441400542016 has 112 divisors (see below), whose sum is σ = 555222185138880. Its totient is φ = 115879683686400.

The previous prime is 255441400541981. The next prime is 255441400542047. The reversal of 255441400542016 is 610245004144552.

It is a super-2 number, since 2×255441400542016² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316263360 + ... + 317070016.

It is an arithmetic number, because the mean of its divisors is an integer number (4957340938740).

Almost surely, 2^{255441400542016} is an apocalyptic number.

255441400542016 is a gapful number since it is divisible by the number (26) 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 255441400542016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277611092569440).

255441400542016 is an abundant number, since it is smaller than the sum of its proper divisors (299780784596864).

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

255441400542016 is a wasteful number, since it uses less digits than its factorization.

255441400542016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813192 (or 813182 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 43.

Adding to 255441400542016 its reverse (610245004144552), we get a palindrome (865686404686568).

The spelling of 255441400542016 in words is "two hundred fifty-five trillion, four hundred forty-one billion, four hundred million, five hundred forty-two thousand, sixteen".