207985745442 has 16 divisors (see below), whose sum is σ = 415980351072. Its totient is φ = 69327105120.

The previous prime is 207985745437. The next prime is 207985745483. The reversal of 207985745442 is 244547589702.

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, 41659 + ... + 646302.

It is an arithmetic number, because the mean of its divisors is an integer number (25998771942).

Almost surely, 2^207985745442 is an apocalyptic number.

207985745442 is an abundant number, since it is smaller than the sum of its proper divisors (207994605630).

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

207985745442 is a wasteful number, since it uses less digits than its factorization.

207985745442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738353.

The product of its (nonzero) digits is 22579200, while the sum is 57.

The spelling of 207985745442 in words is "two hundred seven billion, nine hundred eighty-five million, seven hundred forty-five thousand, four hundred forty-two".