494088540 has 288 divisors, whose sum is σ = 1681585920. Its totient is φ = 107136000.

The previous prime is 494088451. The next prime is 494088557. The reversal of 494088540 is 45880494.

It is a junction number, because it is equal to n+sod(n) for n = 494088492 and 494088501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12050920 + ... + 12050960.

It is an arithmetic number, because the mean of its divisors is an integer number (5838840).

Almost surely, 2^494088540 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 494088540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (840792960).

494088540 is an abundant number, since it is smaller than the sum of its proper divisors (1187497380).

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

494088540 is a wasteful number, since it uses less digits than its factorization.

494088540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 494088540 is about 22228.1024831181. The cubic root of 494088540 is about 790.5601645865.

The spelling of 494088540 in words is "four hundred ninety-four million, eighty-eight thousand, five hundred forty".