2443920266 has 4 divisors (see below), whose sum is σ = 3665880402. Its totient is φ = 1221960132.

The previous prime is 2443920257. The next prime is 2443920301. The reversal of 2443920266 is 6620293442.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2168858041 + 275062225 = 46571^2 + 16585^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610980065 + ... + 610980068.

Almost surely, 2^2443920266 is an apocalyptic number.

2443920266 is a deficient number, since it is larger than the sum of its proper divisors (1221960136).

2443920266 is a wasteful number, since it uses less digits than its factorization.

2443920266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221960135.

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 2443920266 is about 49436.0219475637. The cubic root of 2443920266 is about 1346.9837122222.

The spelling of 2443920266 in words is "two billion, four hundred forty-three million, nine hundred twenty thousand, two hundred sixty-six".