42102044140441 has 8 divisors (see below), whose sum is σ = 42113615501000. Its totient is φ = 42090474009600.

The previous prime is 42102044140427. The next prime is 42102044140451. The reversal of 42102044140441 is 14404144020124.

It can be written as a sum of positive squares in 4 ways, for example, as 39589628936841 + 2512415203600 = 6292029^2 + 1585060^2 .

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 42102044140441 - 2⁹ = 42102044139929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42102044140451) 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, 70396735 + ... + 70992283.

It is an arithmetic number, because the mean of its divisors is an integer number (5264201937625).

Almost surely, 2^{42102044140441} is an apocalyptic number.

It is an amenable number.

42102044140441 is a deficient number, since it is larger than the sum of its proper divisors (11571360559).

42102044140441 is a wasteful number, since it uses less digits than its factorization.

42102044140441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614859.

The product of its (nonzero) digits is 16384, while the sum is 31.

Adding to 42102044140441 its reverse (14404144020124), we get a palindrome (56506188160565).

The spelling of 42102044140441 in words is "forty-two trillion, one hundred two billion, forty-four million, one hundred forty thousand, four hundred forty-one".