494553240 has 192 divisors, whose sum is σ = 1680307200. Its totient is φ = 125991936.

The previous prime is 494553221. The next prime is 494553271. The reversal of 494553240 is 42355494.

It is a happy number.

494553240 is a `hidden beast` number, since 49 + 45 + 532 + 40 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 494553195 and 494553204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1325694 + ... + 1326066.

It is an arithmetic number, because the mean of its divisors is an integer number (8751600).

Almost surely, 2^494553240 is an apocalyptic number.

494553240 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 494553240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (840153600).

494553240 is an abundant number, since it is smaller than the sum of its proper divisors (1185753960).

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

494553240 is a wasteful number, since it uses less digits than its factorization.

494553240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 494553240 is about 22238.5530104816. The cubic root of 494553240 is about 790.8079327258.

It can be divided in two parts, 4945 and 53240, that added together give a palindrome (58185).

The spelling of 494553240 in words is "four hundred ninety-four million, five hundred fifty-three thousand, two hundred forty".