4013444121142 has 32 divisors (see below), whose sum is σ = 6176958796800. Its totient is φ = 1954717047360.

The previous prime is 4013444121053. The next prime is 4013444121161. The reversal of 4013444121142 is 2411214443104.

It is a super-2 number, since 2×4013444121142² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72879234 + ... + 72934282.

It is an arithmetic number, because the mean of its divisors is an integer number (193029962400).

Almost surely, 2^{4013444121142} is an apocalyptic number.

4013444121142 is a deficient number, since it is larger than the sum of its proper divisors (2163514675658).

4013444121142 is a wasteful number, since it uses less digits than its factorization.

4013444121142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57388.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 4013444121142 its reverse (2411214443104), we get a palindrome (6424658564246).

The spelling of 4013444121142 in words is "four trillion, thirteen billion, four hundred forty-four million, one hundred twenty-one thousand, one hundred forty-two".