478251650648 has 8 divisors (see below), whose sum is σ = 896721844980. Its totient is φ = 239125825320.

The previous prime is 478251650647. The next prime is 478251650651. The reversal of 478251650648 is 846056152874.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 478251650593 and 478251650602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478251650647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29890728158 + ... + 29890728173.

Almost surely, 2^478251650648 is an apocalyptic number.

It is an amenable number.

478251650648 is a deficient number, since it is larger than the sum of its proper divisors (418470194332).

478251650648 is a wasteful number, since it uses less digits than its factorization.

478251650648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59781456337 (or 59781456333 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 56.

The spelling of 478251650648 in words is "four hundred seventy-eight billion, two hundred fifty-one million, six hundred fifty thousand, six hundred forty-eight".