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4444310031440 = 24555553875393
BaseRepresentation
bin100000010101100010110…
…0001010100110001010000
3120201212112121101220001112
41000223011201110301100
51040303421332001230
613241404323552452
7636043100651216
oct100530541246120
916655477356045
104444310031440
111463904171464
125b940652b728
1326313440b796
1411516a288cb6
157a917951d95
hex40ac5854c50

4444310031440 has 20 divisors (see below), whose sum is σ = 10333020823284. Its totient is φ = 1777724012544.

The previous prime is 4444310031431. The next prime is 4444310031461. The reversal of 4444310031440 is 441300134444.

It can be written as a sum of positive squares in 2 ways, for example, as 2174020495936 + 2270289535504 = 1474456^2 + 1506748^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 4444310031397 and 4444310031406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27776937617 + ... + 27776937776.

Almost surely, 24444310031440 is an apocalyptic number.

4444310031440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4444310031440 is an abundant number, since it is smaller than the sum of its proper divisors (5888710791844).

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

4444310031440 is a wasteful number, since it uses less digits than its factorization.

4444310031440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55553875406 (or 55553875400 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 4444310031440 its reverse (441300134444), we get a palindrome (4885610165884).

The spelling of 4444310031440 in words is "four trillion, four hundred forty-four billion, three hundred ten million, thirty-one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 55553875393 111107750786 222215501572 277769376965 444431003144 555538753930 888862006288 1111077507860 2222155015720 4444310031440