206042604042 has 32 divisors (see below), whose sum is σ = 449899717824. Its totient is φ = 62388233600.

The previous prime is 206042604037. The next prime is 206042604151. The reversal of 206042604042 is 240406240602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1138059 + ... + 1306622.

It is an arithmetic number, because the mean of its divisors is an integer number (14059366182).

Almost surely, 2^206042604042 is an apocalyptic number.

206042604042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

206042604042 is an abundant number, since it is smaller than the sum of its proper divisors (243857113782).

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

206042604042 is a wasteful number, since it uses less digits than its factorization.

206042604042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445974.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 206042604042 its reverse (240406240602), we get a palindrome (446448844644).

The spelling of 206042604042 in words is "two hundred six billion, forty-two million, six hundred four thousand, forty-two".