494741520 has 400 divisors, whose sum is σ = 2117364480. Its totient is φ = 104260608.

The previous prime is 494741519. The next prime is 494741539. The reversal of 494741520 is 25147494.

It is a happy number.

494741520 is a `hidden beast` number, since 4 + 94 + 7 + 41 + 520 = 666.

It is a super-2 number, since 2×494741520² = 489538343223820800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 589261 + ... + 590099.

Almost surely, 2^494741520 is an apocalyptic number.

494741520 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 494741520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1058682240).

494741520 is an abundant number, since it is smaller than the sum of its proper divisors (1622622960).

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

494741520 is a wasteful number, since it uses less digits than its factorization.

494741520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 494741520 is about 22242.7857967477. The cubic root of 494741520 is about 790.9082754288.

The spelling of 494741520 in words is "four hundred ninety-four million, seven hundred forty-one thousand, five hundred twenty".