440002404446 has 8 divisors (see below), whose sum is σ = 720003934584. Its totient is φ = 200001092920.

The previous prime is 440002404407. The next prime is 440002404469. The reversal of 440002404446 is 644404200044.

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

It is a super-2 number, since 2×440002404446² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10000054625 + ... + 10000054668.

It is an arithmetic number, because the mean of its divisors is an integer number (90000491823).

Almost surely, 2^440002404446 is an apocalyptic number.

440002404446 is a deficient number, since it is larger than the sum of its proper divisors (280001530138).

440002404446 is a wasteful number, since it uses less digits than its factorization.

440002404446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20000109306.

The product of its (nonzero) digits is 49152, while the sum is 32.

It can be divided in two parts, 440002 and 404446, that added together give a palindrome (844448).

The spelling of 440002404446 in words is "four hundred forty billion, two million, four hundred four thousand, four hundred forty-six".