494387240 has 16 divisors (see below), whose sum is σ = 1112371380. Its totient is φ = 197754880.

The previous prime is 494387221. The next prime is 494387261. The reversal of 494387240 is 42783494.

It can be written as a sum of positive squares in 2 ways, for example, as 493461796 + 925444 = 22214^2 + 962^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6179801 + ... + 6179880.

Almost surely, 2^494387240 is an apocalyptic number.

494387240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

494387240 is an abundant number, since it is smaller than the sum of its proper divisors (617984140).

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

494387240 is a wasteful number, since it uses less digits than its factorization.

494387240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12359692 (or 12359688 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 494387240 is about 22234.8204400215. The cubic root of 494387240 is about 790.7194428885.

The spelling of 494387240 in words is "four hundred ninety-four million, three hundred eighty-seven thousand, two hundred forty".