1444040021122 has 16 divisors (see below), whose sum is σ = 2173614206400. Its totient is φ = 719503212240.

The previous prime is 1444040021117. The next prime is 1444040021147. The reversal of 1444040021122 is 2211200404441.

It is a happy number.

It is a super-2 number, since 2×1444040021122² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1994029 + ... + 2619967.

It is an arithmetic number, because the mean of its divisors is an integer number (135850887900).

Almost surely, 2^{1444040021122} is an apocalyptic number.

1444040021122 is a deficient number, since it is larger than the sum of its proper divisors (729574185278).

1444040021122 is a wasteful number, since it uses less digits than its factorization.

1444040021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629961.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 1444040021122 its reverse (2211200404441), we get a palindrome (3655240425563).

The spelling of 1444040021122 in words is "one trillion, four hundred forty-four billion, forty million, twenty-one thousand, one hundred twenty-two".