2533576266 has 128 divisors (see below), whose sum is σ = 6557967360. Its totient is φ = 717935616.

The previous prime is 2533576237. The next prime is 2533576273. The reversal of 2533576266 is 6626753352.

2533576266 is a `hidden beast` number, since 2 + 53 + 3 + 576 + 26 + 6 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 558640 + ... + 563156.

It is an arithmetic number, because the mean of its divisors is an integer number (51234120).

Almost surely, 2^2533576266 is an apocalyptic number.

2533576266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2533576266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3278983680).

2533576266 is an abundant number, since it is smaller than the sum of its proper divisors (4024391094).

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

2533576266 is a wasteful number, since it uses less digits than its factorization.

2533576266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4605 (or 4599 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 45.

The square root of 2533576266 is about 50334.6428019510. The cubic root of 2533576266 is about 1363.2578087312.

The spelling of 2533576266 in words is "two billion, five hundred thirty-three million, five hundred seventy-six thousand, two hundred sixty-six".