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44021401400 = 23521712947471
BaseRepresentation
bin101000111111111000…
…010100011100111000
311012121221000220011002
4220333320110130320
51210123434321100
632120111224132
73115614511064
oct507770243470
9135557026132
1044021401400
111773aa2a479
128646818048
1341c7258212
1421b86d2aa4
151229a882d5
hexa3fe14738

44021401400 has 48 divisors (see below), whose sum is σ = 108370340640. Its totient is φ = 16572761600.

The previous prime is 44021401357. The next prime is 44021401427. The reversal of 44021401400 is 410412044.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 6470336 + ... + 6477135.

It is an arithmetic number, because the mean of its divisors is an integer number (2257715430).

Almost surely, 244021401400 is an apocalyptic number.

44021401400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44021401400 is an abundant number, since it is smaller than the sum of its proper divisors (64348939240).

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

44021401400 is a wasteful number, since it uses less digits than its factorization.

44021401400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12947504 (or 12947495 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 44021401400 its reverse (410412044), we get a palindrome (44431813444).

The spelling of 44021401400 in words is "forty-four billion, twenty-one million, four hundred one thousand, four hundred".

Divisors: 1 2 4 5 8 10 17 20 25 34 40 50 68 85 100 136 170 200 340 425 680 850 1700 3400 12947471 25894942 51789884 64737355 103579768 129474710 220107007 258949420 323686775 440214014 517898840 647373550 880428028 1100535035 1294747100 1760856056 2201070070 2589494200 4402140140 5502675175 8804280280 11005350350 22010700700 44021401400