451115564 has 12 divisors (see below), whose sum is σ = 789858888. Its totient is φ = 225441600.

The previous prime is 451115551. The next prime is 451115569. The reversal of 451115564 is 465511154.

It is a self number, because there is not a number n which added to its sum of digits gives 451115564.

It is not an unprimeable number, because it can be changed into a prime (451115569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19997 + ... + 36084.

It is an arithmetic number, because the mean of its divisors is an integer number (65821574).

Almost surely, 2^451115564 is an apocalyptic number.

It is an amenable number.

451115564 is a deficient number, since it is larger than the sum of its proper divisors (338743324).

451115564 is a wasteful number, since it uses less digits than its factorization.

451115564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58096 (or 58094 counting only the distinct ones).

The product of its digits is 12000, while the sum is 32.

The square root of 451115564 is about 21239.4812554356. The cubic root of 451115564 is about 766.9421448178.

The spelling of 451115564 in words is "four hundred fifty-one million, one hundred fifteen thousand, five hundred sixty-four".