440142444222101 has 4 divisors (see below), whose sum is σ = 440260793901600. Its totient is φ = 440024094542604.

The previous prime is 440142444222079. The next prime is 440142444222137. The reversal of 440142444222101 is 101222444241044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440142444222101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440142444222601) 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, 59174834171 + ... + 59174841608.

It is an arithmetic number, because the mean of its divisors is an integer number (110065198475400).

Almost surely, 2^{440142444222101} is an apocalyptic number.

It is an amenable number.

440142444222101 is a deficient number, since it is larger than the sum of its proper divisors (118349679499).

440142444222101 is a wasteful number, since it uses less digits than its factorization.

440142444222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118349679498.

The product of its (nonzero) digits is 65536, while the sum is 35.

Adding to 440142444222101 its reverse (101222444241044), we get a palindrome (541364888463145).

The spelling of 440142444222101 in words is "four hundred forty trillion, one hundred forty-two billion, four hundred forty-four million, two hundred twenty-two thousand, one hundred one".