494338560 has 160 divisors (see below), whose sum is σ = 1593326592. Its totient is φ = 130744320.

The previous prime is 494338519. The next prime is 494338573. The reversal of 494338560 is 65833494.

It is a tau number, because it is divible by the number of its divisors (160).

It is a super-2 number, since 2×494338560² = 488741223805747200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1466712 + ... + 1467048.

Almost surely, 2^494338560 is an apocalyptic number.

494338560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494338560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (796663296).

494338560 is an abundant number, since it is smaller than the sum of its proper divisors (1098988032).

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

494338560 is a wasteful number, since it uses less digits than its factorization.

494338560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 494338560 is about 22233.7257336687. The cubic root of 494338560 is about 790.6934892212.

The spelling of 494338560 in words is "four hundred ninety-four million, three hundred thirty-eight thousand, five hundred sixty".