42042616222445 has 8 divisors (see below), whose sum is σ = 50544394811160. Its totient is φ = 33571922748480.

The previous prime is 42042616222423. The next prime is 42042616222493. The reversal of 42042616222445 is 54422261624024.

It can be written as a sum of positive squares in 4 ways, for example, as 5809271319049 + 36233344903396 = 2410243^2 + 6019414^2 .

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

It is not a de Polignac number, because 42042616222445 - 2¹⁴ = 42042616206061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42042616222396 and 42042616222405.

It is a congruent number.

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, 7771275710 + ... + 7771281119.

It is an arithmetic number, because the mean of its divisors is an integer number (6318049351395).

Almost surely, 2^{42042616222445} is an apocalyptic number.

It is an amenable number.

42042616222445 is a deficient number, since it is larger than the sum of its proper divisors (8501778588715).

42042616222445 is a wasteful number, since it uses less digits than its factorization.

42042616222445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15542557375.

The product of its (nonzero) digits is 1474560, while the sum is 44.

Adding to 42042616222445 its reverse (54422261624024), we get a palindrome (96464877846469).

The spelling of 42042616222445 in words is "forty-two trillion, forty-two billion, six hundred sixteen million, two hundred twenty-two thousand, four hundred forty-five".