40423336255 has 4 divisors (see below), whose sum is σ = 48508003512. Its totient is φ = 32338669000.

The previous prime is 40423336249. The next prime is 40423336301. The reversal of 40423336255 is 55263332404.

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

It is not a de Polignac number, because 40423336255 - 2²⁹ = 39886465343 is a prime.

It is a super-2 number, since 2×40423336255² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4042333621 + ... + 4042333630.

It is an arithmetic number, because the mean of its divisors is an integer number (12127000878).

Almost surely, 2^40423336255 is an apocalyptic number.

40423336255 is a deficient number, since it is larger than the sum of its proper divisors (8084667257).

40423336255 is an equidigital number, since it uses as much as digits as its factorization.

40423336255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8084667256.

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 40423336255 its reverse (55263332404), we get a palindrome (95686668659).

The spelling of 40423336255 in words is "forty billion, four hundred twenty-three million, three hundred thirty-six thousand, two hundred fifty-five".