535801266 has 192 divisors, whose sum is σ = 1577511936. Its totient is φ = 126921600.

The previous prime is 535801249. The next prime is 535801289. The reversal of 535801266 is 662108535.

535801266 is a `hidden beast` number, since 5 + 3 + 580 + 12 + 66 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 535801266.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2360245 + ... + 2360471.

It is an arithmetic number, because the mean of its divisors is an integer number (8216208).

Almost surely, 2^535801266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 535801266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (788755968).

535801266 is an abundant number, since it is smaller than the sum of its proper divisors (1041710670).

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

535801266 is a wasteful number, since it uses less digits than its factorization.

535801266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 535801266 is about 23147.3814069756. The cubic root of 535801266 is about 812.2092136862.

The spelling of 535801266 in words is "five hundred thirty-five million, eight hundred one thousand, two hundred sixty-six".