255445340022043 has 4 divisors (see below), whose sum is σ = 255445459057888. Its totient is φ = 255445220986200.

The previous prime is 255445340022029. The next prime is 255445340022049. The reversal of 255445340022043 is 340220043544552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255445340022043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255445340022049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56238771 + ... + 60610972.

It is an arithmetic number, because the mean of its divisors is an integer number (63861364764472).

Almost surely, 2^{255445340022043} is an apocalyptic number.

255445340022043 is a deficient number, since it is larger than the sum of its proper divisors (119035845).

255445340022043 is a wasteful number, since it uses less digits than its factorization.

255445340022043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119035844.

The product of its (nonzero) digits is 2304000, while the sum is 43.

Adding to 255445340022043 its reverse (340220043544552), we get a palindrome (595665383566595).

The spelling of 255445340022043 in words is "two hundred fifty-five trillion, four hundred forty-five billion, three hundred forty million, twenty-two thousand, forty-three".