245240043312 has 80 divisors (see below), whose sum is σ = 691217937792. Its totient is φ = 74305820160.

The previous prime is 245240043289. The next prime is 245240043313. The reversal of 245240043312 is 213340042542.

It is a self number, because there is not a number n which added to its sum of digits gives 245240043312.

It is not an unprimeable number, because it can be changed into a prime (245240043313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4989963 + ... + 5038869.

Almost surely, 2^245240043312 is an apocalyptic number.

245240043312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

245240043312 is an abundant number, since it is smaller than the sum of its proper divisors (445977894480).

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

245240043312 is a wasteful number, since it uses less digits than its factorization.

245240043312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58426 (or 58420 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 245240043312 its reverse (213340042542), we get a palindrome (458580085854).

The spelling of 245240043312 in words is "two hundred forty-five billion, two hundred forty million, forty-three thousand, three hundred twelve".