454640322056 has 8 divisors (see below), whose sum is σ = 852450603870. Its totient is φ = 227320161024.

The previous prime is 454640322011. The next prime is 454640322079. The reversal of 454640322056 is 650223046454.

It can be written as a sum of positive squares in only one way, i.e., 454052259556 + 588062500 = 673834^2 + 24250^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28415020121 + ... + 28415020136.

Almost surely, 2^454640322056 is an apocalyptic number.

It is an amenable number.

454640322056 is a deficient number, since it is larger than the sum of its proper divisors (397810281814).

454640322056 is a wasteful number, since it uses less digits than its factorization.

454640322056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56830040263 (or 56830040259 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 41.

The spelling of 454640322056 in words is "four hundred fifty-four billion, six hundred forty million, three hundred twenty-two thousand, fifty-six".