2443404366 has 144 divisors (see below), whose sum is σ = 6043040640. Its totient is φ = 739458720.

The previous prime is 2443404361. The next prime is 2443404391. The reversal of 2443404366 is 6634043442.

2443404366 is a `hidden beast` number, since 244 + 3 + 404 + 3 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2443404366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443404361) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5831305 + ... + 5831723.

It is an arithmetic number, because the mean of its divisors is an integer number (41965560).

Almost surely, 2^2443404366 is an apocalyptic number.

2443404366 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2443404366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3021520320).

2443404366 is an abundant number, since it is smaller than the sum of its proper divisors (3599636274).

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

2443404366 is a wasteful number, since it uses less digits than its factorization.

2443404366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

The square root of 2443404366 is about 49430.8038170532. The cubic root of 2443404366 is about 1346.8889249235. Note that the first 3 decimals are identical.

The spelling of 2443404366 in words is "two billion, four hundred forty-three million, four hundred four thousand, three hundred sixty-six".