654439934456 has 64 divisors (see below), whose sum is σ = 1545631476480. Its totient is φ = 252347950080.

The previous prime is 654439934443. The next prime is 654439934459.

654439934456 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 (654439934459) 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, 5416550 + ... + 5536053.

It is an arithmetic number, because the mean of its divisors is an integer number (24150491820).

Almost surely, 2^654439934456 is an apocalyptic number.

It is an amenable number.

654439934456 is an abundant number, since it is smaller than the sum of its proper divisors (891191542024).

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

654439934456 is a wasteful number, since it uses less digits than its factorization.

654439934456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10952724 (or 10952720 counting only the distinct ones).

The product of its digits is 167961600, while the sum is 62.

The spelling of 654439934456 in words is "six hundred fifty-four billion, four hundred thirty-nine million, nine hundred thirty-four thousand, four hundred fifty-six".