455647190806 has 4 divisors (see below), whose sum is σ = 683470786212. Its totient is φ = 227823595402.

The previous prime is 455647190753. The next prime is 455647190851. The reversal of 455647190806 is 608091746554.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×455647190806² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113911797700 + ... + 113911797703.

It is an arithmetic number, because the mean of its divisors is an integer number (170867696553).

Almost surely, 2^455647190806 is an apocalyptic number.

455647190806 is a deficient number, since it is larger than the sum of its proper divisors (227823595406).

455647190806 is a wasteful number, since it uses less digits than its factorization.

455647190806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227823595405.

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 455647190806 in words is "four hundred fifty-five billion, six hundred forty-seven million, one hundred ninety thousand, eight hundred six".