355265856 has 168 divisors, whose sum is σ = 1135465344. Its totient is φ = 105277440.

The previous prime is 355265851. The next prime is 355265929. The reversal of 355265856 is 658562553.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355265851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297196 + ... + 298388.

Almost surely, 2^355265856 is an apocalyptic number.

355265856 is a gapful number since it is divisible by the number (36) 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 355265856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567732672).

355265856 is an abundant number, since it is smaller than the sum of its proper divisors (780199488).

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

355265856 is a wasteful number, since it uses less digits than its factorization.

355265856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269 (or 1256 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 45.

The square root of 355265856 is about 18848.4974467463. The cubic root of 355265856 is about 708.2465865195.

The spelling of 355265856 in words is "three hundred fifty-five million, two hundred sixty-five thousand, eight hundred fifty-six".