440142423141 has 8 divisors (see below), whose sum is σ = 621377538624. Its totient is φ = 276167794880.

The previous prime is 440142423121. The next prime is 440142423191. The reversal of 440142423141 is 141324241044.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 440142423141 - 2¹³ = 440142414949 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 440142423099 and 440142423108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440142423121) 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, 4315121745 + ... + 4315121846.

It is an arithmetic number, because the mean of its divisors is an integer number (77672192328).

Almost surely, 2^440142423141 is an apocalyptic number.

It is an amenable number.

440142423141 is a deficient number, since it is larger than the sum of its proper divisors (181235115483).

440142423141 is a wasteful number, since it uses less digits than its factorization.

440142423141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8630243611.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 440142423141 its reverse (141324241044), we get a palindrome (581466664185).

The spelling of 440142423141 in words is "four hundred forty billion, one hundred forty-two million, four hundred twenty-three thousand, one hundred forty-one".