493766440 has 16 divisors (see below), whose sum is σ = 1110974580. Its totient is φ = 197506560.

The previous prime is 493766431. The next prime is 493766459. The reversal of 493766440 is 44667394.

It can be written as a sum of positive squares in 2 ways, for example, as 486378916 + 7387524 = 22054^2 + 2718^2 .

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, 6172041 + ... + 6172120.

Almost surely, 2^493766440 is an apocalyptic number.

493766440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

493766440 is an abundant number, since it is smaller than the sum of its proper divisors (617208140).

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

493766440 is a wasteful number, since it uses less digits than its factorization.

493766440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12344172 (or 12344168 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

The square root of 493766440 is about 22220.8559691115. The cubic root of 493766440 is about 790.3883365555.

The spelling of 493766440 in words is "four hundred ninety-three million, seven hundred sixty-six thousand, four hundred forty".