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44020404452 = 2217647358889
BaseRepresentation
bin101000111111110100…
…100001000011100100
311012121212011020121002
4220333310201003210
51210123210420302
632120034012432
73115603156403
oct507764410344
9135555136532
1044020404452
111773a409452
128646417118
1341c6c994cb
1421b851363a
15122993cc02
hexa3fd210e4

44020404452 has 12 divisors (see below), whose sum is σ = 81567220140. Its totient is φ = 20715484416.

The previous prime is 44020404431. The next prime is 44020404473. The reversal of 44020404452 is 25440402044.

It is an interprime number because it is at equal distance from previous prime (44020404431) and next prime (44020404473).

It can be written as a sum of positive squares in 2 ways, for example, as 20786718976 + 23233685476 = 144176^2 + 152426^2 .

It is a super-2 number, since 2×440204044522 (a number of 22 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 323679377 + ... + 323679512.

It is an arithmetic number, because the mean of its divisors is an integer number (6797268345).

Almost surely, 244020404452 is an apocalyptic number.

It is an amenable number.

44020404452 is a deficient number, since it is larger than the sum of its proper divisors (37546815688).

44020404452 is a wasteful number, since it uses less digits than its factorization.

44020404452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647358910 (or 647358908 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 29.

Adding to 44020404452 its reverse (25440402044), we get a palindrome (69460806496).

The spelling of 44020404452 in words is "forty-four billion, twenty million, four hundred four thousand, four hundred fifty-two".

Divisors: 1 2 4 17 34 68 647358889 1294717778 2589435556 11005101113 22010202226 44020404452