255532446 has 24 divisors (see below), whose sum is σ = 596242920. Its totient is φ = 78625296.

The previous prime is 255532441. The next prime is 255532469. The reversal of 255532446 is 644235552.

It is a self number, because there is not a number n which added to its sum of digits gives 255532446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255532441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 545776 + ... + 546243.

It is an arithmetic number, because the mean of its divisors is an integer number (24843455).

Almost surely, 2^255532446 is an apocalyptic number.

255532446 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

255532446 is an abundant number, since it is smaller than the sum of its proper divisors (340710474).

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

255532446 is a wasteful number, since it uses less digits than its factorization.

255532446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092040 (or 1092037 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 255532446 is about 15985.3822600525. The cubic root of 255532446 is about 634.5736249461.

Adding to 255532446 its reverse (644235552), we get a palindrome (899767998).

The spelling of 255532446 in words is "two hundred fifty-five million, five hundred thirty-two thousand, four hundred forty-six".