40220163365 has 16 divisors (see below), whose sum is σ = 52099286400. Its totient is φ = 29715884352.

The previous prime is 40220163341. The next prime is 40220163367. The reversal of 40220163365 is 56336102204.

It is a cyclic number.

It is not a de Polignac number, because 40220163365 - 2¹⁶ = 40220097829 is a prime.

It is a super-2 number, since 2×40220163365² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40220163367) 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, 6026675 + ... + 6033344.

It is an arithmetic number, because the mean of its divisors is an integer number (3256205400).

Almost surely, 2^40220163365 is an apocalyptic number.

It is an amenable number.

40220163365 is a deficient number, since it is larger than the sum of its proper divisors (11879123035).

40220163365 is a wasteful number, since it uses less digits than its factorization.

40220163365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12060076.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 40220163365 its reverse (56336102204), we get a palindrome (96556265569).

The spelling of 40220163365 in words is "forty billion, two hundred twenty million, one hundred sixty-three thousand, three hundred sixty-five".