654255809144 has 32 divisors (see below), whose sum is σ = 1484445955680. Its totient is φ = 263901502464.

The previous prime is 654255809117. The next prime is 654255809177. The reversal of 654255809144 is 441908552456.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343620797 + ... + 343622700.

It is an arithmetic number, because the mean of its divisors is an integer number (46388936115).

Almost surely, 2^654255809144 is an apocalyptic number.

It is an amenable number.

654255809144 is an abundant number, since it is smaller than the sum of its proper divisors (830190146536).

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

654255809144 is a wasteful number, since it uses less digits than its factorization.

654255809144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687243527 (or 687243523 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 53.

The spelling of 654255809144 in words is "six hundred fifty-four billion, two hundred fifty-five million, eight hundred nine thousand, one hundred forty-four".