40213332443444 has 12 divisors (see below), whose sum is σ = 74512939527684. Its totient is φ = 18923921149824.

The previous prime is 40213332443443. The next prime is 40213332443447. The reversal of 40213332443444 is 44434423331204.

It can be written as a sum of positive squares in 2 ways, for example, as 15575888356900 + 24637444086544 = 3946630^2 + 4963612^2 .

It is a super-2 number, since 2×40213332443444² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40213332443441) 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, 295686267899 + ... + 295686268034.

It is an arithmetic number, because the mean of its divisors is an integer number (6209411627307).

Almost surely, 2^{40213332443444} is an apocalyptic number.

It is an amenable number.

40213332443444 is a deficient number, since it is larger than the sum of its proper divisors (34299607084240).

40213332443444 is a wasteful number, since it uses less digits than its factorization.

40213332443444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591372535954 (or 591372535952 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 41.

Adding to 40213332443444 its reverse (44434423331204), we get a palindrome (84647755774648).

The spelling of 40213332443444 in words is "forty trillion, two hundred thirteen billion, three hundred thirty-two million, four hundred forty-three thousand, four hundred forty-four".