Search a number
-
+
44404343440 = 245683812671
BaseRepresentation
bin101001010110101101…
…001000001010010000
311020121121121100212121
4221112231020022100
51211420002442230
632222111104024
73131244456142
oct512655101220
9136547540777
1044404343440
11179171044a6
128732b12014
1342586a6542
1422134d6c92
15124d4cc77a
hexa56b48290

44404343440 has 40 divisors (see below), whose sum is σ = 103391382528. Its totient is φ = 17735710080.

The previous prime is 44404343437. The next prime is 44404343479. The reversal of 44404343440 is 4434340444.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 44404343396 and 44404343405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351696 + ... + 460975.

Almost surely, 244404343440 is an apocalyptic number.

44404343440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44404343440 is an abundant number, since it is smaller than the sum of its proper divisors (58987039088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44404343440 is a wasteful number, since it uses less digits than its factorization.

44404343440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813367 (or 813361 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 34.

Adding to 44404343440 its reverse (4434340444), we get a palindrome (48838683884).

The spelling of 44404343440 in words is "forty-four billion, four hundred four million, three hundred forty-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 683 1366 2732 3415 5464 6830 10928 13660 27320 54640 812671 1625342 3250684 4063355 6501368 8126710 13002736 16253420 32506840 65013680 555054293 1110108586 2220217172 2775271465 4440434344 5550542930 8880868688 11101085860 22202171720 44404343440