440849068549 has 16 divisors (see below), whose sum is σ = 450919612800. Its totient is φ = 430871845824.

The previous prime is 440849068547. The next prime is 440849068573. The reversal of 440849068549 is 945860948044.

It is a cyclic number.

It is not a de Polignac number, because 440849068549 - 2¹ = 440849068547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440849068547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7700659 + ... + 7757695.

It is an arithmetic number, because the mean of its divisors is an integer number (28182475800).

Almost surely, 2^440849068549 is an apocalyptic number.

It is an amenable number.

440849068549 is a deficient number, since it is larger than the sum of its proper divisors (10070544251).

440849068549 is a wasteful number, since it uses less digits than its factorization.

440849068549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57852.

The product of its (nonzero) digits is 39813120, while the sum is 61.

The spelling of 440849068549 in words is "four hundred forty billion, eight hundred forty-nine million, sixty-eight thousand, five hundred forty-nine".