2266644660400 has 30 divisors (see below), whose sum is σ = 5445613797572. Its totient is φ = 906657864000.

The previous prime is 2266644660383. The next prime is 2266644660409. The reversal of 2266644660400 is 40664466622.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2266644660409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2833305426 + ... + 2833306225.

Almost surely, 2^{2266644660400} is an apocalyptic number.

2266644660400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2266644660400 is an abundant number, since it is smaller than the sum of its proper divisors (3178969137172).

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

2266644660400 is a wasteful number, since it uses less digits than its factorization.

2266644660400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5666611669 (or 5666611658 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 46.

The spelling of 2266644660400 in words is "two trillion, two hundred sixty-six billion, six hundred forty-four million, six hundred sixty thousand, four hundred".