2261425342266 has 80 divisors (see below), whose sum is σ = 5112661779456. Its totient is φ = 747068422464.

The previous prime is 2261425342237. The next prime is 2261425342273. The reversal of 2261425342266 is 6622435241622.

2261425342266 is a `hidden beast` number, since 2 + 2 + 6 + 1 + 42 + 5 + 342 + 266 = 666.

It is a super-2 number, since 2×2261425342266² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19219185 + ... + 19336491.

Almost surely, 2^{2261425342266} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2261425342266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2556330889728).

2261425342266 is an abundant number, since it is smaller than the sum of its proper divisors (2851236437190).

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

2261425342266 is a wasteful number, since it uses less digits than its factorization.

2261425342266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118385 (or 118376 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 45.

The spelling of 2261425342266 in words is "two trillion, two hundred sixty-one billion, four hundred twenty-five million, three hundred forty-two thousand, two hundred sixty-six".