440670066771 has 16 divisors (see below), whose sum is σ = 674710151040. Its totient is φ = 253016305920.

The previous prime is 440670066757. The next prime is 440670066787. The reversal of 440670066771 is 177660076044.

It is not a de Polignac number, because 440670066771 - 2¹⁹ = 440669542483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 440670066771.

It is not an unprimeable number, because it can be changed into a prime (440670066701) 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, 351410910 + ... + 351412163.

It is an arithmetic number, because the mean of its divisors is an integer number (42169384440).

Almost surely, 2^440670066771 is an apocalyptic number.

440670066771 is a deficient number, since it is larger than the sum of its proper divisors (234040084269).

440670066771 is a wasteful number, since it uses less digits than its factorization.

440670066771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702823106.

The product of its (nonzero) digits is 1185408, while the sum is 48.

The spelling of 440670066771 in words is "four hundred forty billion, six hundred seventy million, sixty-six thousand, seven hundred seventy-one".