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4454243054040 = 23351323401309583
BaseRepresentation
bin100000011010001010110…
…0100110011000111011000
3120202211011212010201110110
41000310111210303013120
51040434242210212130
613250130115044320
7636544203155613
oct100642544630730
916684155121413
104454243054040
11146804109a34a
125bb318ba06a0
13264058278150
1411582d57517a
157ace99ceab0
hex40d159331d8

4454243054040 has 256 divisors, whose sum is σ = 15053806817280. Its totient is φ = 1046139494400.

The previous prime is 4454243054039. The next prime is 4454243054047. The reversal of 4454243054040 is 404503424544.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 4454243054040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4454243054047) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14233089 + ... + 14542671.

It is an arithmetic number, because the mean of its divisors is an integer number (58803932880).

Almost surely, 24454243054040 is an apocalyptic number.

4454243054040 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 4454243054040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7526903408640).

4454243054040 is an abundant number, since it is smaller than the sum of its proper divisors (10599563763240).

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

4454243054040 is a wasteful number, since it uses less digits than its factorization.

4454243054040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310034 (or 310030 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 39.

Adding to 4454243054040 its reverse (404503424544), we get a palindrome (4858746478584).

The spelling of 4454243054040 in words is "four trillion, four hundred fifty-four billion, two hundred forty-three million, fifty-four thousand, forty".