245401404342244 has 12 divisors (see below), whose sum is σ = 439439724055024. Its totient is φ = 119847197469384.

The previous prime is 245401404342217. The next prime is 245401404342307. The reversal of 245401404342244 is 442243404104542.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 245401404342244.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713376175242 + ... + 713376175585.

Almost surely, 2^{245401404342244} is an apocalyptic number.

It is an amenable number.

245401404342244 is a deficient number, since it is larger than the sum of its proper divisors (194038319712780).

245401404342244 is a wasteful number, since it uses less digits than its factorization.

245401404342244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426752350874 (or 1426752350872 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 43.

Adding to 245401404342244 its reverse (442243404104542), we get a palindrome (687644808446786).

The spelling of 245401404342244 in words is "two hundred forty-five trillion, four hundred one billion, four hundred four million, three hundred forty-two thousand, two hundred forty-four".