340556942 has 16 divisors (see below), whose sum is σ = 559101312. Its totient is φ = 154291320.

The previous prime is 340556941. The next prime is 340556981. The reversal of 340556942 is 249655043.

It is a junction number, because it is equal to n+sod(n) for n = 340556896 and 340556905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340556941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18458 + ... + 31965.

It is an arithmetic number, because the mean of its divisors is an integer number (34943832).

Almost surely, 2^340556942 is an apocalyptic number.

340556942 is a deficient number, since it is larger than the sum of its proper divisors (218544370).

340556942 is a wasteful number, since it uses less digits than its factorization.

340556942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50743.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 340556942 is about 18454.1849454263. The cubic root of 340556942 is about 698.3340942962.

The spelling of 340556942 in words is "three hundred forty million, five hundred fifty-six thousand, nine hundred forty-two".