654912080080 has 40 divisors (see below), whose sum is σ = 1531472182632. Its totient is φ = 260450578944.

The previous prime is 654912080077. The next prime is 654912080089. The reversal of 654912080080 is 80080219456.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 322015391296 + 332896688784 = 567464^2 + 576972^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654912080089) by changing a digit.

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, 23646279 + ... + 23673958.

Almost surely, 2^654912080080 is an apocalyptic number.

It is an amenable number.

654912080080 is an abundant number, since it is smaller than the sum of its proper divisors (876560102552).

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

654912080080 is a wasteful number, since it uses less digits than its factorization.

654912080080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47320423 (or 47320417 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 654912080080 in words is "six hundred fifty-four billion, nine hundred twelve million, eighty thousand, eighty".