340122042 has 24 divisors (see below), whose sum is σ = 793618644. Its totient is φ = 104652864.

The previous prime is 340122037. The next prime is 340122047. The reversal of 340122042 is 240221043.

340122042 is a `hidden beast` number, since 3 + 401 + 220 + 42 = 666.

It is an interprime number because it is at equal distance from previous prime (340122037) and next prime (340122047).

It can be written as a sum of positive squares in 2 ways, for example, as 235653201 + 104468841 = 15351^2 + 10221^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (340122047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 726523 + ... + 726990.

Almost surely, 2^340122042 is an apocalyptic number.

340122042 is an abundant number, since it is smaller than the sum of its proper divisors (453496602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340122042 is a wasteful number, since it uses less digits than its factorization.

340122042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453534 (or 1453531 counting only the distinct ones).

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

The square root of 340122042 is about 18442.3979460373. The cubic root of 340122042 is about 698.0367041177.

Adding to 340122042 its reverse (240221043), we get a palindrome (580343085).

Subtracting from 340122042 its reverse (240221043), we obtain a palindrome (99900999).

The spelling of 340122042 in words is "three hundred forty million, one hundred twenty-two thousand, forty-two".