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4421105440 = 255194179449
BaseRepresentation
bin1000001111000010…
…01011011100100000
3102102010002102111221
410013201023130200
533023300333230
62010411344424
7214362530143
oct40741133440
912363072457
104421105440
111969664a54
12a34752114
13555c4262b
142dd25005a
151ad20727a
hex10784b720

4421105440 has 192 divisors, whose sum is σ = 11430720000. Its totient is φ = 1610219520.

The previous prime is 4421105407. The next prime is 4421105441. The reversal of 4421105440 is 445011244.

It is not an unprimeable number, because it can be changed into a prime (4421105441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9846336 + ... + 9846784.

It is an arithmetic number, because the mean of its divisors is an integer number (59535000).

Almost surely, 24421105440 is an apocalyptic number.

4421105440 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 4421105440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5715360000).

4421105440 is an abundant number, since it is smaller than the sum of its proper divisors (7009614560).

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

4421105440 is a wasteful number, since it uses less digits than its factorization.

4421105440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 4421105440 is about 66491.3937288128. The cubic root of 4421105440 is about 1641.2583837796.

Adding to 4421105440 its reverse (445011244), we get a palindrome (4866116684).

The spelling of 4421105440 in words is "four billion, four hundred twenty-one million, one hundred five thousand, four hundred forty".