207841400808442 has 16 divisors (see below), whose sum is σ = 313862693508000. Its totient is φ = 103220539546960.

The previous prime is 207841400808413. The next prime is 207841400808443. The reversal of 207841400808442 is 244808004148702.

It is a self number, because there is not a number n which added to its sum of digits gives 207841400808442.

It is not an unprimeable number, because it can be changed into a prime (207841400808443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2264817 + ... + 20513707.

It is an arithmetic number, because the mean of its divisors is an integer number (19616418344250).

Almost surely, 2^{207841400808442} is an apocalyptic number.

207841400808442 is a deficient number, since it is larger than the sum of its proper divisors (106021292699558).

207841400808442 is a wasteful number, since it uses less digits than its factorization.

207841400808442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18287261.

The product of its (nonzero) digits is 3670016, while the sum is 52.

The spelling of 207841400808442 in words is "two hundred seven trillion, eight hundred forty-one billion, four hundred million, eight hundred eight thousand, four hundred forty-two".