492240257388 has 96 divisors (see below), whose sum is σ = 1399972896000. Its totient is φ = 148330333440.

The previous prime is 492240257387. The next prime is 492240257393. The reversal of 492240257388 is 883752042294.

492240257388 is a `hidden beast` number, since 4 + 9 + 2 + 2 + 4 + 0 + 257 + 388 = 666.

492240257388 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (492240257387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 944733 + ... + 1370036.

It is an arithmetic number, because the mean of its divisors is an integer number (14583051000).

Almost surely, 2^492240257388 is an apocalyptic number.

It is an amenable number.

492240257388 is an abundant number, since it is smaller than the sum of its proper divisors (907732638612).

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

492240257388 is a wasteful number, since it uses less digits than its factorization.

492240257388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314972 (or 2314964 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 492240257388 in words is "four hundred ninety-two billion, two hundred forty million, two hundred fifty-seven thousand, three hundred eighty-eight".