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40319041780 = 22517130790731
BaseRepresentation
bin100101100011001100…
…111100000011110100
310212001220101112112201
4211203030330003310
51130033133314110
630304452554244
72625100125523
oct454314740364
9125056345481
1040319041780
1116110058936
127992922984
133a571b9594
141d46ada4ba
1510aea07b3a
hex96333c0f4

40319041780 has 48 divisors (see below), whose sum is σ = 89720156736. Its totient is φ = 15167152640.

The previous prime is 40319041771. The next prime is 40319041787. The reversal of 40319041780 is 8714091304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40319041787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399015 + ... + 489745.

It is an arithmetic number, because the mean of its divisors is an integer number (1869169932).

Almost surely, 240319041780 is an apocalyptic number.

It is an amenable number.

40319041780 is an abundant number, since it is smaller than the sum of its proper divisors (49401114956).

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

40319041780 is a wasteful number, since it uses less digits than its factorization.

40319041780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92064 (or 92062 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 40319041780 in words is "forty billion, three hundred nineteen million, forty-one thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 1307 2614 5228 6535 13070 22219 26140 44438 88876 90731 111095 181462 222190 362924 444380 453655 907310 1542427 1814620 3084854 6169708 7712135 15424270 30848540 118585417 237170834 474341668 592927085 1185854170 2015952089 2371708340 4031904178 8063808356 10079760445 20159520890 40319041780