490813660548 has 60 divisors (see below), whose sum is σ = 1283187924480. Its totient is φ = 163591284528.

The previous prime is 490813660429. The next prime is 490813660567. The reversal of 490813660548 is 845066318094.

490813660548 is a `hidden beast` number, since 4 + 9 + 0 + 8 + 1 + 36 + 60 + 548 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 490813660494 and 490813660503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4450093 + ... + 4559051.

It is an arithmetic number, because the mean of its divisors is an integer number (21386465408).

Almost surely, 2^490813660548 is an apocalyptic number.

It is an amenable number.

490813660548 is an abundant number, since it is smaller than the sum of its proper divisors (792374263932).

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

490813660548 is a wasteful number, since it uses less digits than its factorization.

490813660548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122878 (or 122867 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 490813660548 in words is "four hundred ninety billion, eight hundred thirteen million, six hundred sixty thousand, five hundred forty-eight".