Search a number
-
+
4515355225440 = 25345431808369
BaseRepresentation
bin100000110110101000000…
…1001001110110101100000
3120222122220212110200120000
41001231100021032311200
51042434421414203230
613334154153020000
7644136466101543
oct101552011166540
916878825420500
104515355225440
111490a51345224
1260b1333b4600
13269a47258007
14118789a1485a
157c6c4bbeb60
hex41b5024ed60

4515355225440 has 240 divisors, whose sum is σ = 15972434089920. Its totient is φ = 1201299517440.

The previous prime is 4515355225417. The next prime is 4515355225501. The reversal of 4515355225440 is 445225535154.

4515355225440 is a `hidden beast` number, since 4 + 5 + 1 + 5 + 3 + 552 + 2 + 54 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5181576 + ... + 5989944.

It is an arithmetic number, because the mean of its divisors is an integer number (66551808708).

Almost surely, 24515355225440 is an apocalyptic number.

4515355225440 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 4515355225440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7986217044960).

4515355225440 is an abundant number, since it is smaller than the sum of its proper divisors (11457078864480).

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

4515355225440 is a wasteful number, since it uses less digits than its factorization.

4515355225440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808827 (or 808810 counting only the distinct ones).

The product of its (nonzero) digits is 2400000, while the sum is 45.

The spelling of 4515355225440 in words is "four trillion, five hundred fifteen billion, three hundred fifty-five million, two hundred twenty-five thousand, four hundred forty".