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444040440000 = 2635410136637
BaseRepresentation
bin1100111011000101101…
…11110110100011000000
31120110010221102112012020
412131202313312203000
524233343323040000
6535553411401440
744036510315163
oct6354267664300
91513127375166
10444040440000
11161353285853
12720842b3280
1332b468011b1
14176c520dada
15b83ce92ba0
hex6762df68c0

444040440000 has 280 divisors, whose sum is σ = 1482677428848. Its totient is φ = 117235200000.

The previous prime is 444040439993. The next prime is 444040440037. The reversal of 444040440000 is 44040444.

444040440000 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12101682 + ... + 12138318.

Almost surely, 2444040440000 is an apocalyptic number.

444040440000 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 444040440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (741338714424).

444040440000 is an abundant number, since it is smaller than the sum of its proper divisors (1038636988848).

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

444040440000 is a wasteful number, since it uses less digits than its factorization.

444040440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36773 (or 36748 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 444040440000 its reverse (44040444), we get a palindrome (444084480444).

The spelling of 444040440000 in words is "four hundred forty-four billion, forty million, four hundred forty thousand".