340010042 has 8 divisors (see below), whose sum is σ = 512432832. Its totient is φ = 169199100.

The previous prime is 340010009. The next prime is 340010051. The reversal of 340010042 is 240010043.

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

It is a junction number, because it is equal to n+sod(n) for n = 340009999 and 340010026.

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, 402434 + ... + 403277.

It is an arithmetic number, because the mean of its divisors is an integer number (64054104).

Almost surely, 2^340010042 is an apocalyptic number.

340010042 is a deficient number, since it is larger than the sum of its proper divisors (172422790).

340010042 is a wasteful number, since it uses less digits than its factorization.

340010042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805924.

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

The square root of 340010042 is about 18439.3612145324. The cubic root of 340010042 is about 697.9600760410.

Adding to 340010042 its reverse (240010043), we get a palindrome (580020085).

Subtracting from 340010042 its reverse (240010043), we obtain a palindrome (99999999).

The spelling of 340010042 in words is "three hundred forty million, ten thousand, forty-two".