42003340261 has 8 divisors (see below), whose sum is σ = 44256617600. Its totient is φ = 39754320480.

The previous prime is 42003340259. The next prime is 42003340283. The reversal of 42003340261 is 16204330024.

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 42003340261 - 2¹ = 42003340259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42003340201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1044120 + ... + 1083601.

It is an arithmetic number, because the mean of its divisors is an integer number (5532077200).

Almost surely, 2^42003340261 is an apocalyptic number.

It is an amenable number.

42003340261 is a deficient number, since it is larger than the sum of its proper divisors (2253277339).

42003340261 is a wasteful number, since it uses less digits than its factorization.

42003340261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128779.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 42003340261 its reverse (16204330024), we get a palindrome (58207670285).

The spelling of 42003340261 in words is "forty-two billion, three million, three hundred forty thousand, two hundred sixty-one".