492366643520 has 56 divisors (see below), whose sum is σ = 1191668577288. Its totient is φ = 193718016000.

The previous prime is 492366643513. The next prime is 492366643553. The reversal of 492366643520 is 25346663294.

It can be written as a sum of positive squares in 4 ways, for example, as 35942093056 + 456424550464 = 189584^2 + 675592^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12592331 + ... + 12631370.

It is an arithmetic number, because the mean of its divisors is an integer number (21279796023).

Almost surely, 2^492366643520 is an apocalyptic number.

492366643520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

492366643520 is an abundant number, since it is smaller than the sum of its proper divisors (699301933768).

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

492366643520 is a wasteful number, since it uses less digits than its factorization.

492366643520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25223779 (or 25223769 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 50.

The spelling of 492366643520 in words is "four hundred ninety-two billion, three hundred sixty-six million, six hundred forty-three thousand, five hundred twenty".