440073434377 has 4 divisors (see below), whose sum is σ = 455248380420. Its totient is φ = 424898488336.

The previous prime is 440073434369. The next prime is 440073434413. The reversal of 440073434377 is 773434370044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 197048097801 + 243025336576 = 443901^2 + 492976^2 .

It is a cyclic number.

It is not a de Polignac number, because 440073434377 - 2³ = 440073434369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440073434327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7587472978 + ... + 7587473035.

It is an arithmetic number, because the mean of its divisors is an integer number (113812095105).

Almost surely, 2^440073434377 is an apocalyptic number.

It is an amenable number.

440073434377 is a deficient number, since it is larger than the sum of its proper divisors (15174946043).

440073434377 is a wasteful number, since it uses less digits than its factorization.

440073434377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15174946042.

The product of its (nonzero) digits is 2370816, while the sum is 46.

The spelling of 440073434377 in words is "four hundred forty billion, seventy-three million, four hundred thirty-four thousand, three hundred seventy-seven".