440066601102043 has 4 divisors (see below), whose sum is σ = 440070118074328. Its totient is φ = 440063084129760.

The previous prime is 440066601101999. The next prime is 440066601102109. The reversal of 440066601102043 is 340201106660044.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440066601102043 is a prime.

It is a super-2 number, since 2×440066601102043² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440066601101993 and 440066601102011.

It is not an unprimeable number, because it can be changed into a prime (440066601102143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1758298446 + ... + 1758548707.

It is an arithmetic number, because the mean of its divisors is an integer number (110017529518582).

Almost surely, 2^{440066601102043} is an apocalyptic number.

440066601102043 is a deficient number, since it is larger than the sum of its proper divisors (3516972285).

440066601102043 is a wasteful number, since it uses less digits than its factorization.

440066601102043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3516972284.

The product of its (nonzero) digits is 82944, while the sum is 37.

Adding to 440066601102043 its reverse (340201106660044), we get a palindrome (780267707762087).

The spelling of 440066601102043 in words is "four hundred forty trillion, sixty-six billion, six hundred one million, one hundred two thousand, forty-three".