206875488140 has 12 divisors (see below), whose sum is σ = 434438525136. Its totient is φ = 82750195248.

The previous prime is 206875488091. The next prime is 206875488179. The reversal of 206875488140 is 41884578602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5171887184 + ... + 5171887223.

It is an arithmetic number, because the mean of its divisors is an integer number (36203210428).

Almost surely, 2^206875488140 is an apocalyptic number.

206875488140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206875488140 is an abundant number, since it is smaller than the sum of its proper divisors (227563036996).

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

206875488140 is a wasteful number, since it uses less digits than its factorization.

206875488140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10343774416 (or 10343774414 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 53.

The spelling of 206875488140 in words is "two hundred six billion, eight hundred seventy-five million, four hundred eighty-eight thousand, one hundred forty".