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4440040431 = 33463427379
BaseRepresentation
bin1000010001010010…
…11010001111101111
3102110102201102102220
410020221122033233
533043122243211
62012325250423
7215012502201
oct41051321757
912412642386
104440040431
111979318102
12a3ab63a13
13559b42078
1430197c771
151aebe7806
hex108a5a3ef

4440040431 has 8 divisors (see below), whose sum is σ = 5921777280. Its totient is φ = 2959165272.

The previous prime is 4440040387. The next prime is 4440040453. The reversal of 4440040431 is 1340400444.

4440040431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4440040431 - 210 = 4440039407 is a prime.

It is a super-2 number, since 2×44400404312 = 39427918057829331522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440840431) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 203301 + ... + 224078.

It is an arithmetic number, because the mean of its divisors is an integer number (740222160).

Almost surely, 24440040431 is an apocalyptic number.

4440040431 is a deficient number, since it is larger than the sum of its proper divisors (1481736849).

4440040431 is a wasteful number, since it uses less digits than its factorization.

4440040431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430845.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 4440040431 is about 66633.6283793701. The cubic root of 4440040431 is about 1643.5981418578.

Adding to 4440040431 its reverse (1340400444), we get a palindrome (5780440875).

The spelling of 4440040431 in words is "four billion, four hundred forty million, forty thousand, four hundred thirty-one".

Divisors: 1 3 3463 10389 427379 1282137 1480013477 4440040431