245402325520242 has 32 divisors (see below), whose sum is σ = 535757686426944. Its totient is φ = 74317892352000.

The previous prime is 245402325520229. The next prime is 245402325520249. The reversal of 245402325520242 is 242025523204542.

It is a junction number, because it is equal to n+sod(n) for n = 245402325520194 and 245402325520203.

It is not an unprimeable number, because it can be changed into a prime (245402325520249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1161111403 + ... + 1161322734.

It is an arithmetic number, because the mean of its divisors is an integer number (16742427700842).

Almost surely, 2^{245402325520242} is an apocalyptic number.

245402325520242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245402325520242 is an abundant number, since it is smaller than the sum of its proper divisors (290355360906702).

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

245402325520242 is a wasteful number, since it uses less digits than its factorization.

245402325520242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2322435754.

The product of its (nonzero) digits is 1536000, while the sum is 42.

Adding to 245402325520242 its reverse (242025523204542), we get a palindrome (487427848724784).

The spelling of 245402325520242 in words is "two hundred forty-five trillion, four hundred two billion, three hundred twenty-five million, five hundred twenty thousand, two hundred forty-two".