440121002165493 has 32 divisors (see below), whose sum is σ = 671466952212480. Its totient is φ = 254008879882560.

The previous prime is 440121002165491. The next prime is 440121002165503. The reversal of 440121002165493 is 394561200121044.

It is not a de Polignac number, because 440121002165493 - 2¹ = 440121002165491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440121002165491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3834617733 + ... + 3834732506.

It is an arithmetic number, because the mean of its divisors is an integer number (20983342256640).

Almost surely, 2^{440121002165493} is an apocalyptic number.

It is an amenable number.

440121002165493 is a deficient number, since it is larger than the sum of its proper divisors (231345950046987).

440121002165493 is a wasteful number, since it uses less digits than its factorization.

440121002165493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7669350337.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 440121002165493 in words is "four hundred forty trillion, one hundred twenty-one billion, two million, one hundred sixty-five thousand, four hundred ninety-three".