Search a number
-
+
441426985984 = 210691623851
BaseRepresentation
bin1100110110001110001…
…10010100010000000000
31120012101210202022021001
412123013012110100000
524213020302022414
6534442212141344
743614654320545
oct6330706242000
91505353668231
10441426985984
111602320310a6
1271675007854
133281b22a4ba
14175180a8bcc
15b738806074
hex66c7194400

441426985984 has 44 divisors (see below), whose sum is σ = 883701330448. Its totient is φ = 220393728000.

The previous prime is 441426985963. The next prime is 441426986017. The reversal of 441426985984 is 489589624144.

It is a Harshad number since it is a multiple of its sum of digits (64).

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, 395659 + ... + 1019509.

Almost surely, 2441426985984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 441426985984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441850665224).

441426985984 is an abundant number, since it is smaller than the sum of its proper divisors (442274344464).

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

441426985984 is an equidigital number, since it uses as much as digits as its factorization.

441426985984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624562 (or 624544 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 64.

The spelling of 441426985984 in words is "four hundred forty-one billion, four hundred twenty-six million, nine hundred eighty-five thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 16 32 64 128 256 512 691 1024 1382 2764 5528 11056 22112 44224 88448 176896 353792 623851 707584 1247702 2495404 4990808 9981616 19963232 39926464 79852928 159705856 319411712 431081041 638823424 862162082 1724324164 3448648328 6897296656 13794593312 27589186624 55178373248 110356746496 220713492992 441426985984