Search a number
-
+
440404404404 = 22123667890303
BaseRepresentation
bin1100110100010100010…
…01011110100010110100
31120002202112120210001012
412122022021132202310
524203422011420104
6534152522451352
743550426446256
oct6321211364264
91502675523035
10440404404404
1115a857894458
127142a663b58
13326b7414b43
141745c35dcd6
15b6c8b63d6e
hex668a25e8b4

440404404404 has 12 divisors (see below), whose sum is σ = 770714805504. Its totient is φ = 220200174264.

The previous prime is 440404404383. The next prime is 440404404437. The reversal of 440404404404 is 404404404044.

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, 49517 + ... + 939819.

It is an arithmetic number, because the mean of its divisors is an integer number (64226233792).

Almost surely, 2440404404404 is an apocalyptic number.

It is an amenable number.

440404404404 is a deficient number, since it is larger than the sum of its proper divisors (330310401100).

440404404404 is a wasteful number, since it uses less digits than its factorization.

440404404404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013974 (or 1013972 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 440404404404 its reverse (404404404044), we get a palindrome (844808808448).

It can be divided in two parts, 44040 and 4404404, that added together give a palindrome (4448444).

The spelling of 440404404404 in words is "four hundred forty billion, four hundred four million, four hundred four thousand, four hundred four".

Divisors: 1 2 4 123667 247334 494668 890303 1780606 3561212 110101101101 220202202202 440404404404