654489350482680 has 48 divisors (see below), whose sum is σ = 2127090389069880. Its totient is φ = 174530493461952.

The previous prime is 654489350482657. The next prime is 654489350482687. The reversal of 654489350482680 is 86284053984456.

654489350482680 is a `hidden beast` number, since 6 + 5 + 4 + 4 + 8 + 9 + 350 + 4 + 8 + 268 + 0 = 666.

654489350482680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 654489350482599 and 654489350482608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654489350482687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 909012986422 + ... + 909012987141.

Almost surely, 2^{654489350482680} is an apocalyptic number.

654489350482680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

654489350482680 is an abundant number, since it is smaller than the sum of its proper divisors (1472601038587200).

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

654489350482680 is a wasteful number, since it uses less digits than its factorization.

654489350482680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818025973580 (or 1818025973573 counting only the distinct ones).

The product of its (nonzero) digits is 1592524800, while the sum is 72.

The spelling of 654489350482680 in words is "six hundred fifty-four trillion, four hundred eighty-nine billion, three hundred fifty million, four hundred eighty-two thousand, six hundred eighty".