40660212020223 has 4 divisors (see below), whose sum is σ = 54213616026968. Its totient is φ = 27106808013480.

The previous prime is 40660212020171. The next prime is 40660212020231. The reversal of 40660212020223 is 32202021206604.

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

It is not a de Polignac number, because 40660212020223 - 2¹⁷ = 40660211889151 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 (40660212020023) 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, 6776702003368 + ... + 6776702003373.

It is an arithmetic number, because the mean of its divisors is an integer number (13553404006742).

Almost surely, 2^{40660212020223} is an apocalyptic number.

40660212020223 is a deficient number, since it is larger than the sum of its proper divisors (13553404006745).

40660212020223 is a wasteful number, since it uses less digits than its factorization.

40660212020223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13553404006744.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 40660212020223 its reverse (32202021206604), we get a palindrome (72862233226827).

The spelling of 40660212020223 in words is "forty trillion, six hundred sixty billion, two hundred twelve million, twenty thousand, two hundred twenty-three".