493720540 has 24 divisors (see below), whose sum is σ = 1037326752. Its totient is φ = 197390400.

The previous prime is 493720531. The next prime is 493720541. The reversal of 493720540 is 45027394.

It is a junction number, because it is equal to n+sod(n) for n = 493720496 and 493720505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493720541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46182 + ... + 55858.

It is an arithmetic number, because the mean of its divisors is an integer number (43221948).

Almost surely, 2^493720540 is an apocalyptic number.

It is an amenable number.

493720540 is an abundant number, since it is smaller than the sum of its proper divisors (543606212).

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

493720540 is a wasteful number, since it uses less digits than its factorization.

493720540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12237 (or 12235 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 493720540 is about 22219.8231316093. The cubic root of 493720540 is about 790.3638445785.

The spelling of 493720540 in words is "four hundred ninety-three million, seven hundred twenty thousand, five hundred forty".