493340043240 has 144 divisors (see below), whose sum is σ = 1762365723300. Its totient is φ = 119597575680.

The previous prime is 493340043143. The next prime is 493340043247. The reversal of 493340043240 is 42340043394.

It is a happy number.

493340043240 is a `hidden beast` number, since 4 + 9 + 3 + 3 + 400 + 4 + 3 + 240 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 448147235844 + 45192807396 = 669438^2 + 212586^2 .

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 = 493340043195 and 493340043204.

It is not an unprimeable number, because it can be changed into a prime (493340043247) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5619205 + ... + 5706324.

Almost surely, 2^493340043240 is an apocalyptic number.

493340043240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

493340043240 is an abundant number, since it is smaller than the sum of its proper divisors (1269025680060).

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

493340043240 is a wasteful number, since it uses less digits than its factorization.

493340043240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11325568 (or 11325550 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The spelling of 493340043240 in words is "four hundred ninety-three billion, three hundred forty million, forty-three thousand, two hundred forty".