40444420222 has 16 divisors (see below), whose sum is σ = 61397885952. Its totient is φ = 19979370360.

The previous prime is 40444420207. The next prime is 40444420223. The reversal of 40444420222 is 22202444404.

It is a super-2 number, since 2×40444420222² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444420223) 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 7 ways as a sum of consecutive naturals, for example, 138978 + ... + 316549.

It is an arithmetic number, because the mean of its divisors is an integer number (3837367872).

Almost surely, 2^40444420222 is an apocalyptic number.

40444420222 is a deficient number, since it is larger than the sum of its proper divisors (20953465730).

40444420222 is a wasteful number, since it uses less digits than its factorization.

40444420222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456063.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 40444420222 its reverse (22202444404), we get a palindrome (62646864626).

The spelling of 40444420222 in words is "forty billion, four hundred forty-four million, four hundred twenty thousand, two hundred twenty-two".