654464268 has 18 divisors (see below), whose sum is σ = 1654340324. Its totient is φ = 218154744.

The previous prime is 654464243. The next prime is 654464309. The reversal of 654464268 is 862464456.

654464268 is a `hidden beast` number, since 6 + 544 + 6 + 42 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9089746 + ... + 9089817.

Almost surely, 2^654464268 is an apocalyptic number.

It is an amenable number.

654464268 is an abundant number, since it is smaller than the sum of its proper divisors (999876056).

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

654464268 is a wasteful number, since it uses less digits than its factorization.

654464268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18179573 (or 18179568 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 45.

The square root of 654464268 is about 25582.4992524186. The cubic root of 654464268 is about 868.2177227129.

The spelling of 654464268 in words is "six hundred fifty-four million, four hundred sixty-four thousand, two hundred sixty-eight".