240044422156445 has 16 divisors (see below), whose sum is σ = 292376321273520. Its totient is φ = 189173895496704.

The previous prime is 240044422156417. The next prime is 240044422156459. The reversal of 240044422156445 is 544651224440042.

It can be written as a sum of positive squares in 8 ways, for example, as 10119028205764 + 229925393950681 = 3181042^2 + 15163291^2 .

It is a cyclic number.

It is not a de Polignac number, because 240044422156445 - 2³⁰ = 240043348414621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240044422156445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1272878204 + ... + 1273066773.

It is an arithmetic number, because the mean of its divisors is an integer number (18273520079595).

Almost surely, 2^{240044422156445} is an apocalyptic number.

It is an amenable number.

240044422156445 is a deficient number, since it is larger than the sum of its proper divisors (52331899117075).

240044422156445 is a wasteful number, since it uses less digits than its factorization.

240044422156445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545945264.

The product of its (nonzero) digits is 4915200, while the sum is 47.

Adding to 240044422156445 its reverse (544651224440042), we get a palindrome (784695646596487).

The spelling of 240044422156445 in words is "two hundred forty trillion, forty-four billion, four hundred twenty-two million, one hundred fifty-six thousand, four hundred forty-five".