440066602014021 has 12 divisors (see below), whose sum is σ = 635722159707180. Its totient is φ = 293345241794880.

The previous prime is 440066602013957. The next prime is 440066602014043. The reversal of 440066602014021 is 120410206660044.

It can be written as a sum of positive squares in 2 ways, for example, as 428413868781921 + 11652733232100 = 20698161^2 + 3413610^2 .

It is not a de Polignac number, because 440066602014021 - 2⁶ = 440066602013957 is a prime.

It is a super-2 number, since 2×440066602014021² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440066602014071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2707654320 + ... + 2707816841.

It is an arithmetic number, because the mean of its divisors is an integer number (52976846642265).

Almost surely, 2^{440066602014021} is an apocalyptic number.

It is an amenable number.

440066602014021 is a deficient number, since it is larger than the sum of its proper divisors (195655557693159).

440066602014021 is a wasteful number, since it uses less digits than its factorization.

440066602014021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5415480196 (or 5415480193 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

Adding to 440066602014021 its reverse (120410206660044), we get a palindrome (560476808674065).

The spelling of 440066602014021 in words is "four hundred forty trillion, sixty-six billion, six hundred two million, fourteen thousand, twenty-one".