340850042 has 16 divisors (see below), whose sum is σ = 550950120. Its totient is φ = 157216512.

The previous prime is 340850039. The next prime is 340850071. The reversal of 340850042 is 240058043.

It can be written as a sum of positive squares in 4 ways, for example, as 103042801 + 237807241 = 10151^2 + 15421^2 .

It is a super-2 number, since 2×340850042² = 232357502262803528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 340849993 and 340850020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52934 + ... + 59022.

Almost surely, 2^340850042 is an apocalyptic number.

340850042 is a deficient number, since it is larger than the sum of its proper divisors (210100078).

340850042 is a wasteful number, since it uses less digits than its factorization.

340850042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8257.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 340850042 is about 18462.1245256336. The cubic root of 340850042 is about 698.5343770352.

The spelling of 340850042 in words is "three hundred forty million, eight hundred fifty thousand, forty-two".