255444047 has 8 divisors (see below), whose sum is σ = 261442944. Its totient is φ = 249488928.

The previous prime is 255444031. The next prime is 255444067. The reversal of 255444047 is 740444552.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255444047 - 2⁴ = 255444031 is a prime.

It is a super-2 number, since 2×255444047² = 130503322295476418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255443998 and 255444016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255444067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1013 + ... + 22625.

It is an arithmetic number, because the mean of its divisors is an integer number (32680368).

Almost surely, 2^255444047 is an apocalyptic number.

255444047 is a deficient number, since it is larger than the sum of its proper divisors (5998897).

255444047 is a wasteful number, since it uses less digits than its factorization.

255444047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21889.

The product of its (nonzero) digits is 89600, while the sum is 35.

The square root of 255444047 is about 15982.6170260067. The cubic root of 255444047 is about 634.5004416191.

Adding to 255444047 its reverse (740444552), we get a palindrome (995888599).

The spelling of 255444047 in words is "two hundred fifty-five million, four hundred forty-four thousand, forty-seven".