340100042 has 8 divisors (see below), whose sum is σ = 515409636. Its totient is φ = 168296832.

The previous prime is 340100021. The next prime is 340100069. The reversal of 340100042 is 240001043.

It can be written as a sum of positive squares in 2 ways, for example, as 327646201 + 12453841 = 18101^2 + 3529^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 876353 + ... + 876740.

Almost surely, 2^340100042 is an apocalyptic number.

340100042 is a deficient number, since it is larger than the sum of its proper divisors (175309594).

340100042 is a wasteful number, since it uses less digits than its factorization.

340100042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753192.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 340100042 is about 18441.8014846706. The cubic root of 340100042 is about 698.0216535019.

Adding to 340100042 its reverse (240001043), we get a palindrome (580101085).

The spelling of 340100042 in words is "three hundred forty million, one hundred thousand, forty-two".