2443663442 has 16 divisors (see below), whose sum is σ = 4002675264. Its totient is φ = 1109658000.

The previous prime is 2443663423. The next prime is 2443663447.

2443663442 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2443663396 and 2443663405.

It is not an unprimeable number, because it can be changed into a prime (2443663447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31934 + ... + 76857.

It is an arithmetic number, because the mean of its divisors is an integer number (250167204).

Almost surely, 2^2443663442 is an apocalyptic number.

2443663442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2443663442 is a deficient number, since it is larger than the sum of its proper divisors (1559011822).

2443663442 is a wasteful number, since it uses less digits than its factorization.

2443663442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109825.

The product of its digits is 331776, while the sum is 38.

The square root of 2443663442 is about 49433.4243402174. The cubic root of 2443663442 is about 1346.9365271226.

It can be divided in two parts, 24436 and 63442, that added together give a palindrome (87878).

The spelling of 2443663442 in words is "two billion, four hundred forty-three million, six hundred sixty-three thousand, four hundred forty-two".