39660280223 has 4 divisors (see below), whose sum is σ = 39945606120. Its totient is φ = 39374954328.

The previous prime is 39660280181. The next prime is 39660280267. The reversal of 39660280223 is 32208206693.

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

It is a cyclic number.

It is not a de Polignac number, because 39660280223 - 2⁶ = 39660280159 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 (39660280823) 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, 142662740 + ... + 142663017.

It is an arithmetic number, because the mean of its divisors is an integer number (9986401530).

Almost surely, 2^39660280223 is an apocalyptic number.

39660280223 is a deficient number, since it is larger than the sum of its proper divisors (285325897).

39660280223 is a wasteful number, since it uses less digits than its factorization.

39660280223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285325896.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 39660280223 in words is "thirty-nine billion, six hundred sixty million, two hundred eighty thousand, two hundred twenty-three".