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44404040044 = 22713121989121
BaseRepresentation
bin101001010110101011…
…111110000101101100
311020121121000221200201
4221112223332011230
51211414413240134
632222100403244
73131242053460
oct512653760554
9136547027621
1044404040044
1117916a17561
1287329a6524
1342585cb410
1422134584a0
15124d46c914
hexa56afe16c

44404040044 has 24 divisors (see below), whose sum is σ = 95639471648. Its totient is φ = 17566433280.

The previous prime is 44404040039. The next prime is 44404040053. The reversal of 44404040044 is 44004040444.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 44404039994 and 44404040021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60994197 + ... + 60994924.

Almost surely, 244404040044 is an apocalyptic number.

It is an amenable number.

44404040044 is an abundant number, since it is smaller than the sum of its proper divisors (51235431604).

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

44404040044 is a wasteful number, since it uses less digits than its factorization.

44404040044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121989145 (or 121989143 counting only the distinct ones).

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

Adding to 44404040044 its reverse (44004040444), we get a palindrome (88408080488).

It can be divided in two parts, 444040400 and 44, that added together give a palindrome (444040444).

The spelling of 44404040044 in words is "forty-four billion, four hundred four million, forty thousand, forty-four".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 121989121 243978242 487956484 853923847 1585858573 1707847694 3171717146 3415695388 6343434292 11101010011 22202020022 44404040044