42044154205 has 8 divisors (see below), whose sum is σ = 50467048632. Its totient is φ = 33625947648.

The previous prime is 42044154179. The next prime is 42044154211. The reversal of 42044154205 is 50245144024.

It can be written as a sum of positive squares in 4 ways, for example, as 10152980644 + 31891173561 = 100762^2 + 178581^2 .

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 42044154205 - 2²¹ = 42042057053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1152204 + ... + 1188133.

It is an arithmetic number, because the mean of its divisors is an integer number (6308381079).

Almost surely, 2^42044154205 is an apocalyptic number.

It is an amenable number.

42044154205 is a deficient number, since it is larger than the sum of its proper divisors (8422894427).

42044154205 is a wasteful number, since it uses less digits than its factorization.

42044154205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343935.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 42044154205 its reverse (50245144024), we get a palindrome (92289298229).

It can be divided in two parts, 42044 and 154205, that added together give a square (196249 = 443²).

The spelling of 42044154205 in words is "forty-two billion, forty-four million, one hundred fifty-four thousand, two hundred five".