440123142215045 has 16 divisors (see below), whose sum is σ = 588647670085440. Its totient is φ = 313945424043264.

The previous prime is 440123142215041. The next prime is 440123142215093. The reversal of 440123142215045 is 540512241321044.

It is a cyclic number.

It is not a de Polignac number, because 440123142215045 - 2² = 440123142215041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440123142215041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136261033127 + ... + 136261036356.

It is an arithmetic number, because the mean of its divisors is an integer number (36790479380340).

Almost surely, 2^{440123142215045} is an apocalyptic number.

It is an amenable number.

440123142215045 is a deficient number, since it is larger than the sum of its proper divisors (148524527870395).

440123142215045 is a wasteful number, since it uses less digits than its factorization.

440123142215045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272522069524.

The product of its (nonzero) digits is 153600, while the sum is 38.

Adding to 440123142215045 its reverse (540512241321044), we get a palindrome (980635383536089).

The spelling of 440123142215045 in words is "four hundred forty trillion, one hundred twenty-three billion, one hundred forty-two million, two hundred fifteen thousand, forty-five".