206426044 has 12 divisors (see below), whose sum is σ = 394086168. Its totient is φ = 93830000.

The previous prime is 206426029. The next prime is 206426047. The reversal of 206426044 is 440624602.

It is a super-2 number, since 2×206426044² = 85223423282979872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206426047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2345707 + ... + 2345794.

It is an arithmetic number, because the mean of its divisors is an integer number (32840514).

Almost surely, 2^206426044 is an apocalyptic number.

It is an amenable number.

206426044 is a deficient number, since it is larger than the sum of its proper divisors (187660124).

206426044 is a wasteful number, since it uses less digits than its factorization.

206426044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4691516 (or 4691514 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 206426044 is about 14367.5343744151. The cubic root of 206426044 is about 591.0009285728. Note that the first 3 decimals are identical.

The spelling of 206426044 in words is "two hundred six million, four hundred twenty-six thousand, forty-four".