245446044440 has 32 divisors (see below), whose sum is σ = 552394512000. Its totient is φ = 98153366784.

The previous prime is 245446044439. The next prime is 245446044469. The reversal of 245446044440 is 44440644542.

245446044440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 623720 + ... + 938039.

It is an arithmetic number, because the mean of its divisors is an integer number (17262328500).

Almost surely, 2^245446044440 is an apocalyptic number.

245446044440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245446044440 is an abundant number, since it is smaller than the sum of its proper divisors (306948467560).

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

245446044440 is a wasteful number, since it uses less digits than its factorization.

245446044440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565699 (or 1565695 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 41.

Adding to 245446044440 its reverse (44440644542), we get a palindrome (289886688982).

The spelling of 245446044440 in words is "two hundred forty-five billion, four hundred forty-six million, forty-four thousand, four hundred forty".