1214440220044 has 24 divisors (see below), whose sum is σ = 2149305337088. Its totient is φ = 600371669520.

The previous prime is 1214440220041. The next prime is 1214440220047. The reversal of 1214440220044 is 4400220444121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1214440220041) and next prime (1214440220047).

It is a junction number, because it is equal to n+sod(n) for n = 1214440219994 and 1214440220021.

It is not an unprimeable number, because it can be changed into a prime (1214440220041) 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 7 ways as a sum of consecutive naturals, for example, 2075742 + ... + 2595685.

Almost surely, 2^{1214440220044} is an apocalyptic number.

It is an amenable number.

1214440220044 is a deficient number, since it is larger than the sum of its proper divisors (934865117044).

1214440220044 is a wasteful number, since it uses less digits than its factorization.

1214440220044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4672165 (or 4672163 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 1214440220044 its reverse (4400220444121), we get a palindrome (5614660664165).

The spelling of 1214440220044 in words is "one trillion, two hundred fourteen billion, four hundred forty million, two hundred twenty thousand, forty-four".