492240253518 has 48 divisors (see below), whose sum is σ = 1155356900880. Its totient is φ = 151458527376.

The previous prime is 492240253517. The next prime is 492240253529. The reversal of 492240253518 is 815352042294.

492240253518 is a `hidden beast` number, since 4 + 92 + 2 + 40 + 2 + 5 + 3 + 518 = 666.

It is a super-2 number, since 2×492240253518² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492240253517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6184096 + ... + 6263187.

It is an arithmetic number, because the mean of its divisors is an integer number (24069935435).

Almost surely, 2^492240253518 is an apocalyptic number.

492240253518 is an abundant number, since it is smaller than the sum of its proper divisors (663116647362).

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

492240253518 is a wasteful number, since it uses less digits than its factorization.

492240253518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12447330 (or 12447301 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 492240253518 in words is "four hundred ninety-two billion, two hundred forty million, two hundred fifty-three thousand, five hundred eighteen".