494520645528 has 768 divisors, whose sum is σ = 1787111424000. Its totient is φ = 125454873600.

The previous prime is 494520645527. The next prime is 494520645551. The reversal of 494520645528 is 825546025494.

494520645528 is a `hidden beast` number, since 4 + 9 + 4 + 5 + 20 + 64 + 552 + 8 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494520645523) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1147379473 + ... + 1147379903.

It is an arithmetic number, because the mean of its divisors is an integer number (2326968000).

Almost surely, 2^494520645528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494520645528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (893555712000).

494520645528 is an abundant number, since it is smaller than the sum of its proper divisors (1292590778472).

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

494520645528 is a wasteful number, since it uses less digits than its factorization.

494520645528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 54.

The spelling of 494520645528 in words is "four hundred ninety-four billion, five hundred twenty million, six hundred forty-five thousand, five hundred twenty-eight".