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44424040420 = 22535317773541
BaseRepresentation
bin101001010111111000…
…010000111111100100
311020122222200002001101
4221113320100333210
51211440023243140
632224053205444
73131604053554
oct512770207744
9136588602041
1044424040420
11179272380a1
128739630884
13425c7b1a66
142215d83164
1512500bd99a
hexa57e10fe4

44424040420 has 48 divisors (see below), whose sum is σ = 93633846768. Its totient is φ = 17704304640.

The previous prime is 44424040411. The next prime is 44424040439. The reversal of 44424040420 is 2404042444.

It can be written as a sum of positive squares in 8 ways, for example, as 1066806244 + 43357234176 = 32662^2 + 208224^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12543850 + ... + 12547390.

It is an arithmetic number, because the mean of its divisors is an integer number (1950705141).

Almost surely, 244424040420 is an apocalyptic number.

It is an amenable number.

44424040420 is an abundant number, since it is smaller than the sum of its proper divisors (49209806348).

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

44424040420 is a wasteful number, since it uses less digits than its factorization.

44424040420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5680 (or 5678 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 44424040420 its reverse (2404042444), we get a palindrome (46828082864).

The spelling of 44424040420 in words is "forty-four billion, four hundred twenty-four million, forty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 353 706 1412 1765 1777 3530 3541 3554 7060 7082 7108 8885 14164 17705 17770 35410 35540 70820 627281 1249973 1254562 2499946 2509124 3136405 4999892 6249865 6272810 6292357 12499730 12545620 12584714 24999460 25169428 31461785 62923570 125847140 2221202021 4442404042 8884808084 11106010105 22212020210 44424040420