Search a number
-
+
40014444331 = 172353790843
BaseRepresentation
bin100101010001000010…
…111111011100101011
310211021200020101101201
4211101002333130223
51123422144204311
630214332225031
72614411110361
oct452102773453
9124250211351
1040014444331
1115a74124304
12790890b177
133a0906bcc4
141d1848b631
151092ddb9c1
hex9510bf72b

40014444331 has 4 divisors (see below), whose sum is σ = 42368235192. Its totient is φ = 37660653472.

The previous prime is 40014444313. The next prime is 40014444343. The reversal of 40014444331 is 13344441004.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40014444331 - 27 = 40014444203 is a prime.

It is a super-2 number, since 2×400144443312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40014444331.

It is not an unprimeable number, because it can be changed into a prime (40014444361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1176895405 + ... + 1176895438.

It is an arithmetic number, because the mean of its divisors is an integer number (10592058798).

Almost surely, 240014444331 is an apocalyptic number.

40014444331 is a deficient number, since it is larger than the sum of its proper divisors (2353790861).

40014444331 is a wasteful number, since it uses less digits than its factorization.

40014444331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353790860.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 40014444331 its reverse (13344441004), we get a palindrome (53358885335).

The spelling of 40014444331 in words is "forty billion, fourteen million, four hundred forty-four thousand, three hundred thirty-one".

Divisors: 1 17 2353790843 40014444331