340042041 has 24 divisors (see below), whose sum is σ = 524949984. Its totient is φ = 211355520.

The previous prime is 340042019. The next prime is 340042049. The reversal of 340042041 is 140240043.

It is not a de Polignac number, because 340042041 - 2²³ = 331653433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340042049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5986 + ... + 26756.

It is an arithmetic number, because the mean of its divisors is an integer number (21872916).

Almost surely, 2^340042041 is an apocalyptic number.

It is an amenable number.

340042041 is a deficient number, since it is larger than the sum of its proper divisors (184907943).

340042041 is a wasteful number, since it uses less digits than its factorization.

340042041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20901 (or 20898 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 340042041 is about 18440.2288760200. The cubic root of 340042041 is about 697.9819708099.

Adding to 340042041 its reverse (140240043), we get a palindrome (480282084).

The spelling of 340042041 in words is "three hundred forty million, forty-two thousand, forty-one".