654541260240564 has 36 divisors (see below), whose sum is σ = 1654623869668224. Its totient is φ = 218168681522832.

The previous prime is 654541260240433. The next prime is 654541260240661. The reversal of 654541260240564 is 465042062145456.

654541260240564 is a `hidden beast` number, since 6 + 5 + 4 + 5 + 4 + 12 + 60 + 2 + 4 + 0 + 564 = 666.

654541260240564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×654541260240564² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 654541260240564.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 488428132 + ... + 489766395.

Almost surely, 2^{654541260240564} is an apocalyptic number.

It is an amenable number.

654541260240564 is an abundant number, since it is smaller than the sum of its proper divisors (1000082609427660).

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

654541260240564 is a wasteful number, since it uses less digits than its factorization.

654541260240564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978213124 (or 978213119 counting only the distinct ones).

The product of its (nonzero) digits is 27648000, while the sum is 54.

The spelling of 654541260240564 in words is "six hundred fifty-four trillion, five hundred forty-one billion, two hundred sixty million, two hundred forty thousand, five hundred sixty-four".