654443262344456 has 64 divisors (see below), whose sum is σ = 1321762159294080. Its totient is φ = 301984414617600.

The previous prime is 654443262344453. The next prime is 654443262344461.

It is a happy number.

654443262344456 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (654443262344453) 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, 18420993365 + ... + 18421028891.

It is an arithmetic number, because the mean of its divisors is an integer number (20652533738970).

Almost surely, 2^{654443262344456} is an apocalyptic number.

It is an amenable number.

654443262344456 is an abundant number, since it is smaller than the sum of its proper divisors (667318896949624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

654443262344456 is a wasteful number, since it uses less digits than its factorization.

654443262344456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69454 (or 69450 counting only the distinct ones).

The product of its digits is 796262400, while the sum is 62.

The spelling of 654443262344456 in words is "six hundred fifty-four trillion, four hundred forty-three billion, two hundred sixty-two million, three hundred forty-four thousand, four hundred fifty-six".