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444108840 = 2335723127181
BaseRepresentation
bin11010011110001…
…001000000101000
31010221200001210120
4122132021000220
51402142440330
6112022443240
714001601650
oct3236110050
91127601716
10444108840
112087625aa
12104893520
13710163c6
1442da7360
1528ec7c10
hex1a789028

444108840 has 256 divisors, whose sum is σ = 1610219520. Its totient is φ = 95800320.

The previous prime is 444108827. The next prime is 444108877. The reversal of 444108840 is 48801444.

It is a happy number.

It is a super-2 number, since 2×4441088402 = 394465323532291200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2453550 + ... + 2453730.

It is an arithmetic number, because the mean of its divisors is an integer number (6289920).

Almost surely, 2444108840 is an apocalyptic number.

444108840 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 444108840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (805109760).

444108840 is an abundant number, since it is smaller than the sum of its proper divisors (1166110680).

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

444108840 is a wasteful number, since it uses less digits than its factorization.

444108840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 33.

The square root of 444108840 is about 21073.8900063562. The cubic root of 444108840 is about 762.9506944063.

The spelling of 444108840 in words is "four hundred forty-four million, one hundred eight thousand, eight hundred forty".