206042455 has 32 divisors (see below), whose sum is σ = 264844800. Its totient is φ = 153643392.

The previous prime is 206042443. The next prime is 206042467. The reversal of 206042455 is 554240602.

It is an interprime number because it is at equal distance from previous prime (206042443) and next prime (206042467).

It is a cyclic number.

It is not a de Polignac number, because 206042455 - 2⁵ = 206042423 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 469126 + ... + 469564.

It is an arithmetic number, because the mean of its divisors is an integer number (8276400).

Almost surely, 2^206042455 is an apocalyptic number.

206042455 is a deficient number, since it is larger than the sum of its proper divisors (58802345).

206042455 is a wasteful number, since it uses less digits than its factorization.

206042455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 206042455 is about 14354.1790082192. The cubic root of 206042455 is about 590.6346278583.

The spelling of 206042455 in words is "two hundred six million, forty-two thousand, four hundred fifty-five".