206747400800 has 36 divisors (see below), whose sum is σ = 504722094156. Its totient is φ = 82698960000.

The previous prime is 206747400779. The next prime is 206747400823. The reversal of 206747400800 is 8004747602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129216326 + ... + 129217925.

It is an arithmetic number, because the mean of its divisors is an integer number (14020058171).

Almost surely, 2^206747400800 is an apocalyptic number.

206747400800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206747400800 is an abundant number, since it is smaller than the sum of its proper divisors (297974693356).

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

206747400800 is a wasteful number, since it uses less digits than its factorization.

206747400800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258434271 (or 258434258 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The spelling of 206747400800 in words is "two hundred six billion, seven hundred forty-seven million, four hundred thousand, eight hundred".