207450440192 has 30 divisors (see below), whose sum is σ = 414516296733. Its totient is φ = 103720067072.

The previous prime is 207450440179. The next prime is 207450440203. The reversal of 207450440192 is 291044054702.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 166607646976 + 40842793216 = 408176^2 + 202096^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=322064.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 10295984 + ... + 10316112.

Almost surely, 2^207450440192 is an apocalyptic number.

It is an amenable number.

207450440192 is a deficient number, since it is larger than the sum of its proper divisors (207065856541).

207450440192 is an frugal number, since it uses more digits than its factorization.

207450440192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40276 (or 20131 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

Adding to 207450440192 its reverse (291044054702), we get a palindrome (498494494894).

The spelling of 207450440192 in words is "two hundred seven billion, four hundred fifty million, four hundred forty thousand, one hundred ninety-two".