206467730240 has 56 divisors (see below), whose sum is σ = 496161928680. Its totient is φ = 81829398528.

The previous prime is 206467730213. The next prime is 206467730279. The reversal of 206467730240 is 42037764602.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 76804362496 + 129663367744 = 277136^2 + 360088^2 .

It is a congruent number.

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, 2924807 + ... + 2994566.

Almost surely, 2^206467730240 is an apocalyptic number.

206467730240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206467730240 is an abundant number, since it is smaller than the sum of its proper divisors (289694198440).

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

206467730240 is a wasteful number, since it uses less digits than its factorization.

206467730240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5919499 (or 5919489 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 41.

The spelling of 206467730240 in words is "two hundred six billion, four hundred sixty-seven million, seven hundred thirty thousand, two hundred forty".