206440495 has 8 divisors (see below), whose sum is σ = 248144400. Its totient is φ = 164875200.

The previous prime is 206440489. The next prime is 206440499. The reversal of 206440495 is 594044602.

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

It is not a de Polignac number, because 206440495 - 2¹¹ = 206438447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 206440495.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206440499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31345 + ... + 37354.

It is an arithmetic number, because the mean of its divisors is an integer number (31018050).

Almost surely, 2^206440495 is an apocalyptic number.

206440495 is a deficient number, since it is larger than the sum of its proper divisors (41703905).

206440495 is an equidigital number, since it uses as much as digits as its factorization.

206440495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69305.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 206440495 is about 14368.0372702746. The cubic root of 206440495 is about 591.0147193958.

The spelling of 206440495 in words is "two hundred six million, four hundred forty thousand, four hundred ninety-five".