40455440223 has 16 divisors (see below), whose sum is σ = 58848681600. Its totient is φ = 24516613280.

The previous prime is 40455440203. The next prime is 40455440237. The reversal of 40455440223 is 32204455404.

It is a cyclic number.

It is not a de Polignac number, because 40455440223 - 2²¹ = 40453343071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40455440203) 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, 497788 + ... + 573326.

It is an arithmetic number, because the mean of its divisors is an integer number (3678042600).

Almost surely, 2^40455440223 is an apocalyptic number.

40455440223 is a deficient number, since it is larger than the sum of its proper divisors (18393241377).

40455440223 is a wasteful number, since it uses less digits than its factorization.

40455440223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91782.

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 40455440223 its reverse (32204455404), we get a palindrome (72659895627).

The spelling of 40455440223 in words is "forty billion, four hundred fifty-five million, four hundred forty thousand, two hundred twenty-three".