206426290804 has 12 divisors (see below), whose sum is σ = 361279810528. Its totient is φ = 103203487800.

The previous prime is 206426290801. The next prime is 206426290853. The reversal of 206426290804 is 408092624602.

It is a super-2 number, since 2×206426290804² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206426290801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2366202 + ... + 2451889.

Almost surely, 2^206426290804 is an apocalyptic number.

It is an amenable number.

206426290804 is a deficient number, since it is larger than the sum of its proper divisors (154853519724).

206426290804 is a wasteful number, since it uses less digits than its factorization.

206426290804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4828806 (or 4828804 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 206426290804 in words is "two hundred six billion, four hundred twenty-six million, two hundred ninety thousand, eight hundred four".