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4442400042444 = 22327213376185831
BaseRepresentation
bin100000010100101001110…
…1011010010110111001100
3120201200121111102101201100
41000221103223102313030
51040241013402324234
613240451014143100
7635644546216200
oct100512353226714
916650544371640
104442400042444
111463014013461
125b8b72951a90
13262bbb7bb390
14115028740b00
157a854e1e399
hex40a53ad2dcc

4442400042444 has 432 divisors, whose sum is σ = 14684825902656. Its totient is φ = 1121255654400.

The previous prime is 4442400042371. The next prime is 4442400042449.

4442400042444 is a `hidden beast` number, since 4 + 4 + 4 + 2 + 400 + 0 + 4 + 244 + 4 = 666.

4442400042444 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4442400042399 and 4442400042408.

It is not an unprimeable number, because it can be changed into a prime (4442400042449) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 51714609 + ... + 51800439.

Almost surely, 24442400042444 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 4442400042444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7342412951328).

4442400042444 is an abundant number, since it is smaller than the sum of its proper divisors (10242425860212).

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

4442400042444 is a wasteful number, since it uses less digits than its factorization.

4442400042444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85966 (or 85954 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

It can be divided in two parts, 44424000 and 42444, that added together give a palindrome (44466444).

The spelling of 4442400042444 in words is "four trillion, four hundred forty-two billion, four hundred million, forty-two thousand, four hundred forty-four".