4423660011045 has 72 divisors (see below), whose sum is σ = 8428837985568. Its totient is φ = 2144619132480.

The previous prime is 4423660011037. The next prime is 4423660011047. The reversal of 4423660011045 is 5401100663244.

4423660011045 is a `hidden beast` number, since 4 + 4 + 2 + 3 + 6 + 600 + 1 + 1 + 0 + 45 = 666.

It is not a de Polignac number, because 4423660011045 - 2³ = 4423660011037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423660011047) 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, 79267642 + ... + 79323428.

It is an arithmetic number, because the mean of its divisors is an integer number (117067194244).

Almost surely, 2^{4423660011045} is an apocalyptic number.

4423660011045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4423660011045 is a deficient number, since it is larger than the sum of its proper divisors (4005177974523).

4423660011045 is a wasteful number, since it uses less digits than its factorization.

4423660011045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70383 (or 70369 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 4423660011045 its reverse (5401100663244), we get a palindrome (9824760674289).

The spelling of 4423660011045 in words is "four trillion, four hundred twenty-three billion, six hundred sixty million, eleven thousand, forty-five".