42444121404133 has 8 divisors (see below), whose sum is σ = 42564805479000. Its totient is φ = 42323439848448.

The previous prime is 42444121404131. The next prime is 42444121404137. The reversal of 42444121404133 is 33140412144424.

It can be written as a sum of positive squares in 4 ways, for example, as 15717878718084 + 26726242686049 = 3964578^2 + 5169743^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42444121404133 - 2¹ = 42444121404131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42444121404092 and 42444121404101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42444121404131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36165843 + ... + 37320991.

It is an arithmetic number, because the mean of its divisors is an integer number (5320600684875).

Almost surely, 2^{42444121404133} is an apocalyptic number.

It is an amenable number.

42444121404133 is a deficient number, since it is larger than the sum of its proper divisors (120684074867).

42444121404133 is a wasteful number, since it uses less digits than its factorization.

42444121404133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259591.

The product of its (nonzero) digits is 147456, while the sum is 37.

Adding to 42444121404133 its reverse (33140412144424), we get a palindrome (75584533548557).

The spelling of 42444121404133 in words is "forty-two trillion, four hundred forty-four billion, one hundred twenty-one million, four hundred four thousand, one hundred thirty-three".