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44408140 = 2257378573
BaseRepresentation
bin1010100101100…
…1110101001100
310002120011111221
42221121311030
542332030030
64223453124
71046314540
oct251316514
9102504457
1044408140
1123081547
1212a571a4
13927b10a
145c7da20
153d72e7a
hex2a59d4c

44408140 has 48 divisors (see below), whose sum is σ = 109472832. Its totient is φ = 14812416.

The previous prime is 44408129. The next prime is 44408153. The reversal of 44408140 is 4180444.

It is a happy number.

44408140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

44408140 is a modest number, since divided by 8140 gives 4440 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 894 + ... + 9466.

It is an arithmetic number, because the mean of its divisors is an integer number (2280684).

Almost surely, 244408140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44408140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54736416).

44408140 is an abundant number, since it is smaller than the sum of its proper divisors (65064692).

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

44408140 is a wasteful number, since it uses less digits than its factorization.

44408140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8626 (or 8624 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 44408140 is about 6663.9432770695. The cubic root of 44408140 is about 354.1230487153.

Adding to 44408140 its reverse (4180444), we get a palindrome (48588584).

The spelling of 44408140 in words is "forty-four million, four hundred eight thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 37 70 74 140 148 185 259 370 518 740 1036 1295 2590 5180 8573 17146 34292 42865 60011 85730 120022 171460 240044 300055 317201 600110 634402 1200220 1268804 1586005 2220407 3172010 4440814 6344020 8881628 11102035 22204070 44408140