427544666445724 has 24 divisors (see below), whose sum is σ = 765630561282048. Its totient is φ = 208793432331120.

The previous prime is 427544666445683. The next prime is 427544666445727.

427544666445724 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427544666445727) 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, 39517522 + ... + 49160185.

It is an arithmetic number, because the mean of its divisors is an integer number (31901273386752).

Almost surely, 2^{427544666445724} is an apocalyptic number.

It is an amenable number.

427544666445724 is a deficient number, since it is larger than the sum of its proper divisors (338085894836324).

427544666445724 is a wasteful number, since it uses less digits than its factorization.

427544666445724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88705785 (or 88705783 counting only the distinct ones).

The product of its digits is 4335206400, while the sum is 70.

The spelling of 427544666445724 in words is "four hundred twenty-seven trillion, five hundred forty-four billion, six hundred sixty-six million, four hundred forty-five thousand, seven hundred twenty-four".