3561400266 has 16 divisors (see below), whose sum is σ = 7288447584. Its totient is φ = 1159525584.

The previous prime is 3561400229. The next prime is 3561400267. The reversal of 3561400266 is 6620041653.

3561400266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3561400267) 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, 6901681 + ... + 6902196.

It is an arithmetic number, because the mean of its divisors is an integer number (455527974).

Almost surely, 2^3561400266 is an apocalyptic number.

3561400266 is an abundant number, since it is smaller than the sum of its proper divisors (3727047318).

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

3561400266 is a wasteful number, since it uses less digits than its factorization.

3561400266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13803925.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 3561400266 is about 59677.4686628044. The cubic root of 3561400266 is about 1527.1215143150.

The spelling of 3561400266 in words is "three billion, five hundred sixty-one million, four hundred thousand, two hundred sixty-six".