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44443431240 = 233513194761523
BaseRepresentation
bin101001011001000010…
…001111000101001000
311020201100011020020220
4221121002033011020
51212010004244430
632230024550040
73132230634555
oct513102170510
9136640136226
1044443431240
111793718176a
128744022320
134263810b10
14221878da2c
151251b4e110
hexa5908f148

44443431240 has 512 divisors, whose sum is σ = 157189939200. Its totient is φ = 9958256640.

The previous prime is 44443431203. The next prime is 44443431317. The reversal of 44443431240 is 4213434444.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 84977619 + ... + 84978141.

It is an arithmetic number, because the mean of its divisors is an integer number (307011600).

Almost surely, 244443431240 is an apocalyptic number.

44443431240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44443431240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78594969600).

44443431240 is an abundant number, since it is smaller than the sum of its proper divisors (112746507960).

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

44443431240 is a wasteful number, since it uses less digits than its factorization.

44443431240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 44443431240 its reverse (4213434444), we get a palindrome (48656865684).

The spelling of 44443431240 in words is "forty-four billion, four hundred forty-three million, four hundred thirty-one thousand, two hundred forty".