245013040242 has 16 divisors (see below), whose sum is σ = 544473422880. Its totient is φ = 81671013396.

The previous prime is 245013040177. The next prime is 245013040271. The reversal of 245013040242 is 242040310542.

245013040242 is a `hidden beast` number, since 2 + 450 + 130 + 40 + 2 + 42 = 666.

245013040242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×245013040242² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2268639208 + ... + 2268639315.

It is an arithmetic number, because the mean of its divisors is an integer number (34029588930).

Almost surely, 2^245013040242 is an apocalyptic number.

245013040242 is an abundant number, since it is smaller than the sum of its proper divisors (299460382638).

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

245013040242 is a wasteful number, since it uses less digits than its factorization.

245013040242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4537278534 (or 4537278528 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 245013040242 its reverse (242040310542), we get a palindrome (487053350784).

The spelling of 245013040242 in words is "two hundred forty-five billion, thirteen million, forty thousand, two hundred forty-two".