206228490407 has 8 divisors (see below), whose sum is σ = 219273220800. Its totient is φ = 193285275904.

The previous prime is 206228490401. The next prime is 206228490467. The reversal of 206228490407 is 704094822602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 206228490407 - 2²⁰ = 206227441831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206228490401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25374782 + ... + 25382907.

It is an arithmetic number, because the mean of its divisors is an integer number (27409152600).

Almost surely, 2^206228490407 is an apocalyptic number.

206228490407 is a deficient number, since it is larger than the sum of its proper divisors (13044730393).

206228490407 is a wasteful number, since it uses less digits than its factorization.

206228490407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50757945.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 206228490407 in words is "two hundred six billion, two hundred twenty-eight million, four hundred ninety thousand, four hundred seven".