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4444401420 = 2233518894357
BaseRepresentation
bin1000010001110100…
…00010111100001100
3102110201220222121000
410020322002330030
533100231321140
62013002540300
7215064534354
oct41072027414
912421828530
104444401420
111980826628
12a40507690
1355aa0b034
14302395b64
151b02a9a30
hex108e82f0c

4444401420 has 96 divisors (see below), whose sum is σ = 13837521600. Its totient is φ = 1184274432.

The previous prime is 4444401407. The next prime is 4444401421. The reversal of 4444401420 is 241044444.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4444401421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1017882 + ... + 1022238.

It is an arithmetic number, because the mean of its divisors is an integer number (144140850).

Almost surely, 24444401420 is an apocalyptic number.

It is an amenable number.

4444401420 is an abundant number, since it is smaller than the sum of its proper divisors (9393120180).

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

4444401420 is a wasteful number, since it uses less digits than its factorization.

4444401420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6264 (or 6256 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

The square root of 4444401420 is about 66666.3439825524. The cubic root of 4444401420 is about 1644.1360774996.

Adding to 4444401420 its reverse (241044444), we get a palindrome (4685445864).

The spelling of 4444401420 in words is "four billion, four hundred forty-four million, four hundred one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 1889 3778 4357 5667 7556 8714 9445 11334 13071 17001 17428 18890 21785 22668 26142 28335 34002 37780 39213 43570 51003 52284 56670 65355 68004 78426 85005 87140 102006 113340 117639 130710 156852 170010 196065 204012 235278 255015 261420 340020 392130 470556 510030 588195 784260 1020060 1176390 2352780 8230373 16460746 24691119 32921492 41151865 49382238 74073357 82303730 98764476 123455595 148146714 164607460 222220071 246911190 296293428 370366785 444440142 493822380 740733570 888880284 1111100355 1481467140 2222200710 4444401420