455444342066 has 32 divisors (see below), whose sum is σ = 790723776000. Its totient is φ = 192700415232.

The previous prime is 455444342063. The next prime is 455444342083. The reversal of 455444342066 is 660243444554.

It is a self number, because there is not a number n which added to its sum of digits gives 455444342066.

It is not an unprimeable number, because it can be changed into a prime (455444342063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19021190 + ... + 19045118.

It is an arithmetic number, because the mean of its divisors is an integer number (24710118000).

Almost surely, 2^455444342066 is an apocalyptic number.

455444342066 is a deficient number, since it is larger than the sum of its proper divisors (335279433934).

455444342066 is a wasteful number, since it uses less digits than its factorization.

455444342066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41226.

The product of its (nonzero) digits is 5529600, while the sum is 47.

The spelling of 455444342066 in words is "four hundred fifty-five billion, four hundred forty-four million, three hundred forty-two thousand, sixty-six".