494542403586 has 384 divisors, whose sum is σ = 1423732101120. Its totient is φ = 125797190400.

The previous prime is 494542403569. The next prime is 494542403587. The reversal of 494542403586 is 685304245494.

494542403586 is a `hidden beast` number, since 4 + 9 + 4 + 54 + 2 + 4 + 0 + 3 + 586 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (494542403587) 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, 345109126 + ... + 345110558.

It is an arithmetic number, because the mean of its divisors is an integer number (3707635680).

Almost surely, 2^494542403586 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494542403586, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (711866050560).

494542403586 is an abundant number, since it is smaller than the sum of its proper divisors (929189697534).

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

494542403586 is a wasteful number, since it uses less digits than its factorization.

494542403586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707 (or 1694 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 54.

The spelling of 494542403586 in words is "four hundred ninety-four billion, five hundred forty-two million, four hundred three thousand, five hundred eighty-six".