Search a number
-
+
40222214440 = 2351005555361
BaseRepresentation
bin100101011101011011…
…100100100100101000
310211211011012012101221
4211131123210210220
51124333341330230
630251113351424
72622513116212
oct453533444450
9124734165357
1040222214440
1116070434041
127966408574
133a40116bb5
141d37cd35b2
1510a627d27a
hex95d6e4928

40222214440 has 16 divisors (see below), whose sum is σ = 90499982580. Its totient is φ = 16088885760.

The previous prime is 40222214401. The next prime is 40222214443. The reversal of 40222214440 is 4441222204.

It can be written as a sum of positive squares in 2 ways, for example, as 34178395876 + 6043818564 = 184874^2 + 77742^2 .

It is not an unprimeable number, because it can be changed into a prime (40222214443) 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 3 ways as a sum of consecutive naturals, for example, 502777641 + ... + 502777720.

Almost surely, 240222214440 is an apocalyptic number.

40222214440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40222214440 is an abundant number, since it is smaller than the sum of its proper divisors (50277768140).

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

40222214440 is a wasteful number, since it uses less digits than its factorization.

40222214440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005555372 (or 1005555368 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 40222214440 its reverse (4441222204), we get a palindrome (44663436644).

The spelling of 40222214440 in words is "forty billion, two hundred twenty-two million, two hundred fourteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1005555361 2011110722 4022221444 5027776805 8044442888 10055553610 20111107220 40222214440