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4444002042420 = 2235532515567669
BaseRepresentation
bin100000010101011001100…
…1010011100001000110100
3120201211202010212102112210
41000222303022130020310
51040302304010324140
613241314002413420
7636032341046103
oct100526312341064
916654663772483
104444002042420
111463766330786
125b933b361270
132630b5674565
1411513b3d603a
157a8ea8b5d80
hex40ab329c234

4444002042420 has 96 divisors (see below), whose sum is σ = 12728495364480. Its totient is φ = 1158074944000.

The previous prime is 4444002042419. The next prime is 4444002042449. The reversal of 4444002042420 is 242402004444.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1985655 + ... + 3582014.

It is an arithmetic number, because the mean of its divisors is an integer number (132588493380).

Almost surely, 24444002042420 is an apocalyptic number.

It is an amenable number.

4444002042420 is an abundant number, since it is smaller than the sum of its proper divisors (8284493322060).

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

4444002042420 is a wasteful number, since it uses less digits than its factorization.

4444002042420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5567985 (or 5567983 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 4444002042420 its reverse (242402004444), we get a palindrome (4686404046864).

The spelling of 4444002042420 in words is "four trillion, four hundred forty-four billion, two million, forty-two thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 53 60 106 159 212 251 265 318 502 530 636 753 795 1004 1060 1255 1506 1590 2510 3012 3180 3765 5020 7530 13303 15060 26606 39909 53212 66515 79818 133030 159636 199545 266060 399090 798180 5567669 11135338 16703007 22270676 27838345 33406014 55676690 66812028 83515035 111353380 167030070 295086457 334060140 590172914 885259371 1180345828 1397484919 1475432285 1770518742 2794969838 2950864570 3541037484 4192454757 4426296855 5589939676 5901729140 6987424595 8384909514 8852593710 13974849190 16769819028 17705187420 20962273785 27949698380 41924547570 74066700707 83849095140 148133401414 222200102121 296266802828 370333503535 444400204242 740667007070 888800408484 1111000510605 1481334014140 2222001021210 4444002042420