Search a number
-
+
444240400242 = 2374040066707
BaseRepresentation
bin1100111011011101100…
…10101000111101110010
31120110122212200120002010
412131232302220331302
524234301020301432
6540025313303350
744044456045512
oct6355662507562
91513585616063
10444240400242
11161446140951
127211b264b56
1332b79073372
14177039c1842
15b8507e03cc
hex676eca8f72

444240400242 has 8 divisors (see below), whose sum is σ = 888480800496. Its totient is φ = 148080133412.

The previous prime is 444240400157. The next prime is 444240400309. The reversal of 444240400242 is 242004042444.

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

444240400242 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37020033348 + ... + 37020033359.

It is an arithmetic number, because the mean of its divisors is an integer number (111060100062).

Almost surely, 2444240400242 is an apocalyptic number.

444240400242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

444240400242 is a wasteful number, since it uses less digits than its factorization.

444240400242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74040066712.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 444240400242 its reverse (242004042444), we get a palindrome (686244442686).

The spelling of 444240400242 in words is "four hundred forty-four billion, two hundred forty million, four hundred thousand, two hundred forty-two".

Divisors: 1 2 3 6 74040066707 148080133414 222120200121 444240400242