2266835207940 has 72 divisors (see below), whose sum is σ = 6877580837400. Its totient is φ = 604356286464.

The previous prime is 2266835207927. The next prime is 2266835207951. The reversal of 2266835207940 is 497025386622.

2266835207940 is a `hidden beast` number, since 2 + 2 + 6 + 6 + 8 + 3 + 520 + 79 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7609770756 + 2259225437184 = 87234^2 + 1503072^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 565389 + ... + 2203028.

It is an arithmetic number, because the mean of its divisors is an integer number (95521956075).

Almost surely, 2^{2266835207940} is an apocalyptic number.

2266835207940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2266835207940 is an abundant number, since it is smaller than the sum of its proper divisors (4610745629460).

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

2266835207940 is a wasteful number, since it uses less digits than its factorization.

2266835207940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772981 (or 2772976 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 2266835207940 in words is "two trillion, two hundred sixty-six billion, eight hundred thirty-five million, two hundred seven thousand, nine hundred forty".