440440423101 has 64 divisors (see below), whose sum is σ = 750676684800. Its totient is φ = 250009115328.

The previous prime is 440440423037. The next prime is 440440423127. The reversal of 440440423101 is 101324044044.

It is not a de Polignac number, because 440440423101 - 2⁶ = 440440423037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440440423141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61007670 + ... + 61014888.

It is an arithmetic number, because the mean of its divisors is an integer number (11729323200).

Almost surely, 2^440440423101 is an apocalyptic number.

It is an amenable number.

440440423101 is a deficient number, since it is larger than the sum of its proper divisors (310236261699).

440440423101 is a wasteful number, since it uses less digits than its factorization.

440440423101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9335 (or 9329 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 440440423101 its reverse (101324044044), we get a palindrome (541764467145).

The spelling of 440440423101 in words is "four hundred forty billion, four hundred forty million, four hundred twenty-three thousand, one hundred one".